221217984

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1015

約数の個数: 168

約数和(自身を含む): 705624192

約数和(自身を除く): 484406208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 64, 72, 78, 93, 96, 104, 117, 124, 144, 156, 186, 192, 208, 234, 248, 279, 288, 312, 372, 403, 416, 468, 496, 558, 576, 624, 744, 806, 832, 936, 953, 992, 1116, 1209, 1248, 1488, 1612, 1872, 1906, 1984, 2232, 2418, 2496, 2859, 2976, 3224, 3627, 3744, 3812, 4464, 4836, 5718, 5952, 6448, 7254, 7488, 7624, 8577, 8928, 9672, 11436, 12389, 12896, 14508, 15248, 17154, 17856, 19344, 22872, 24778, 25792, 29016, 29543, 30496, 34308, 37167, 38688, 45744, 49556, 58032, 59086, 60992, 68616, 74334, 77376, 88629, 91488, 99112, 111501, 116064, 118172, 137232, 148668, 177258, 182976, 198224, 223002, 232128, 236344, 265887, 274464, 297336, 354516, 384059, 396448, 446004, 472688, 531774, 548928, 594672, 709032, 768118, 792896, 892008, 945376, 1063548, 1152177, 1189344, 1418064, 1536236, 1784016, 1890752, 2127096, 2304354, 2378688, 2836128, 3072472, 3456531, 3568032, 4254192, 4608708, 5672256, 6144944, 6913062, 7136064, 8508384, 9217416, 12289888, 13826124, 17016768, 18434832, 24579776, 27652248, 36869664, 55304496, 73739328, 110608992, 221217984]

約数ペア:

[(1, 221217984), (2, 110608992), (3, 73739328), (4, 55304496), (6, 36869664), (8, 27652248), (9, 24579776), (12, 18434832), (13, 17016768), (16, 13826124), (18, 12289888), (24, 9217416), (26, 8508384), (31, 7136064), (32, 6913062), (36, 6144944), (39, 5672256), (48, 4608708), (52, 4254192), (62, 3568032), (64, 3456531), (72, 3072472), (78, 2836128), (93, 2378688), (96, 2304354), (104, 2127096), (117, 1890752), (124, 1784016), (144, 1536236), (156, 1418064), (186, 1189344), (192, 1152177), (208, 1063548), (234, 945376), (248, 892008), (279, 792896), (288, 768118), (312, 709032), (372, 594672), (403, 548928), (416, 531774), (468, 472688), (496, 446004), (558, 396448), (576, 384059), (624, 354516), (744, 297336), (806, 274464), (832, 265887), (936, 236344), (953, 232128), (992, 223002), (1116, 198224), (1209, 182976), (1248, 177258), (1488, 148668), (1612, 137232), (1872, 118172), (1906, 116064), (1984, 111501), (2232, 99112), (2418, 91488), (2496, 88629), (2859, 77376), (2976, 74334), (3224, 68616), (3627, 60992), (3744, 59086), (3812, 58032), (4464, 49556), (4836, 45744), (5718, 38688), (5952, 37167), (6448, 34308), (7254, 30496), (7488, 29543), (7624, 29016), (8577, 25792), (8928, 24778), (9672, 22872), (11436, 19344), (12389, 17856), (12896, 17154), (14508, 15248)]