397983456

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 288

約数和(自身を含む): 1315012608

約数和(自身を除く): 917029152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 72, 78, 81, 93, 96, 104, 108, 117, 124, 127, 144, 156, 162, 186, 208, 216, 234, 243, 248, 254, 279, 288, 312, 324, 351, 372, 381, 403, 416, 432, 468, 486, 496, 508, 558, 624, 648, 702, 744, 762, 806, 837, 864, 936, 972, 992, 1016, 1053, 1116, 1143, 1209, 1248, 1296, 1404, 1488, 1524, 1612, 1651, 1674, 1872, 1944, 2032, 2106, 2232, 2286, 2418, 2511, 2592, 2808, 2976, 3048, 3159, 3224, 3302, 3348, 3429, 3627, 3744, 3888, 3937, 4064, 4212, 4464, 4572, 4836, 4953, 5022, 5616, 6096, 6318, 6448, 6604, 6696, 6858, 7254, 7533, 7776, 7874, 8424, 8928, 9144, 9672, 9906, 10044, 10287, 10881, 11232, 11811, 12192, 12636, 12896, 13208, 13392, 13716, 14508, 14859, 15066, 15748, 16848, 18288, 19344, 19812, 20088, 20574, 21762, 23622, 25272, 26416, 26784, 27432, 29016, 29718, 30132, 30861, 31496, 32643, 33696, 35433, 36576, 38688, 39624, 40176, 41148, 43524, 44577, 47244, 50544, 51181, 52832, 54864, 58032, 59436, 60264, 61722, 62992, 65286, 70866, 79248, 80352, 82296, 87048, 89154, 94488, 97929, 101088, 102362, 106299, 109728, 116064, 118872, 120528, 123444, 125984, 130572, 133731, 141732, 153543, 158496, 164592, 174096, 178308, 188976, 195858, 204724, 212598, 237744, 241056, 246888, 261144, 267462, 283464, 307086, 318897, 329184, 348192, 356616, 377952, 391716, 401193, 409448, 425196, 460629, 475488, 493776, 522288, 534924, 566928, 614172, 637794, 713232, 783432, 802386, 818896, 850392, 921258, 956691, 987552, 1044576, 1069848, 1133856, 1228344, 1275588, 1381887, 1426464, 1566864, 1604772, 1637792, 1700784, 1842516, 1913382, 2139696, 2456688, 2551176, 2763774, 3133728, 3209544, 3401568, 3685032, 3826764, 4145661, 4279392, 4913376, 5102352, 5527548, 6419088, 7370064, 7653528, 8291322, 10204704, 11055096, 12436983, 12838176, 14740128, 15307056, 16582644, 22110192, 24873966, 30614112, 33165288, 44220384, 49747932, 66330576, 99495864, 132661152, 198991728, 397983456]

約数ペア:

[(1, 397983456), (2, 198991728), (3, 132661152), (4, 99495864), (6, 66330576), (8, 49747932), (9, 44220384), (12, 33165288), (13, 30614112), (16, 24873966), (18, 22110192), (24, 16582644), (26, 15307056), (27, 14740128), (31, 12838176), (32, 12436983), (36, 11055096), (39, 10204704), (48, 8291322), (52, 7653528), (54, 7370064), (62, 6419088), (72, 5527548), (78, 5102352), (81, 4913376), (93, 4279392), (96, 4145661), (104, 3826764), (108, 3685032), (117, 3401568), (124, 3209544), (127, 3133728), (144, 2763774), (156, 2551176), (162, 2456688), (186, 2139696), (208, 1913382), (216, 1842516), (234, 1700784), (243, 1637792), (248, 1604772), (254, 1566864), (279, 1426464), (288, 1381887), (312, 1275588), (324, 1228344), (351, 1133856), (372, 1069848), (381, 1044576), (403, 987552), (416, 956691), (432, 921258), (468, 850392), (486, 818896), (496, 802386), (508, 783432), (558, 713232), (624, 637794), (648, 614172), (702, 566928), (744, 534924), (762, 522288), (806, 493776), (837, 475488), (864, 460629), (936, 425196), (972, 409448), (992, 401193), (1016, 391716), (1053, 377952), (1116, 356616), (1143, 348192), (1209, 329184), (1248, 318897), (1296, 307086), (1404, 283464), (1488, 267462), (1524, 261144), (1612, 246888), (1651, 241056), (1674, 237744), (1872, 212598), (1944, 204724), (2032, 195858), (2106, 188976), (2232, 178308), (2286, 174096), (2418, 164592), (2511, 158496), (2592, 153543), (2808, 141732), (2976, 133731), (3048, 130572), (3159, 125984), (3224, 123444), (3302, 120528), (3348, 118872), (3429, 116064), (3627, 109728), (3744, 106299), (3888, 102362), (3937, 101088), (4064, 97929), (4212, 94488), (4464, 89154), (4572, 87048), (4836, 82296), (4953, 80352), (5022, 79248), (5616, 70866), (6096, 65286), (6318, 62992), (6448, 61722), (6604, 60264), (6696, 59436), (6858, 58032), (7254, 54864), (7533, 52832), (7776, 51181), (7874, 50544), (8424, 47244), (8928, 44577), (9144, 43524), (9672, 41148), (9906, 40176), (10044, 39624), (10287, 38688), (10881, 36576), (11232, 35433), (11811, 33696), (12192, 32643), (12636, 31496), (12896, 30861), (13208, 30132), (13392, 29718), (13716, 29016), (14508, 27432), (14859, 26784), (15066, 26416), (15748, 25272), (16848, 23622), (18288, 21762), (19344, 20574), (19812, 20088)]