291028248

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:947

約数の個数: 192

約数和(自身を含む): 971827200

約数和(自身を除く): 680798952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 49, 54, 56, 62, 63, 72, 84, 93, 98, 108, 124, 126, 147, 168, 186, 189, 196, 216, 217, 248, 252, 279, 294, 372, 378, 392, 434, 441, 504, 558, 588, 651, 744, 756, 837, 868, 882, 887, 1116, 1176, 1302, 1323, 1512, 1519, 1674, 1736, 1764, 1774, 1953, 2232, 2604, 2646, 2661, 3038, 3348, 3528, 3548, 3906, 4557, 5208, 5292, 5322, 5859, 6076, 6209, 6696, 7096, 7812, 7983, 9114, 10584, 10644, 11718, 12152, 12418, 13671, 15624, 15966, 18228, 18627, 21288, 23436, 23949, 24836, 27342, 27497, 31932, 36456, 37254, 41013, 43463, 46872, 47898, 49672, 54684, 54994, 55881, 63864, 74508, 82026, 82491, 86926, 95796, 109368, 109988, 111762, 130389, 149016, 164052, 164982, 167643, 173852, 191592, 192479, 219976, 223524, 247473, 260778, 328104, 329964, 335286, 347704, 384958, 391167, 447048, 494946, 521556, 577437, 659928, 670572, 742419, 769916, 782334, 989892, 1043112, 1154874, 1173501, 1341144, 1347353, 1484838, 1539832, 1564668, 1732311, 1979784, 2309748, 2347002, 2694706, 2969676, 3129336, 3464622, 4042059, 4619496, 4694004, 5196933, 5389412, 5939352, 6929244, 8084118, 9388008, 10393866, 10778824, 12126177, 13858488, 16168236, 20787732, 24252354, 32336472, 36378531, 41575464, 48504708, 72757062, 97009416, 145514124, 291028248]

約数ペア:

[(1, 291028248), (2, 145514124), (3, 97009416), (4, 72757062), (6, 48504708), (7, 41575464), (8, 36378531), (9, 32336472), (12, 24252354), (14, 20787732), (18, 16168236), (21, 13858488), (24, 12126177), (27, 10778824), (28, 10393866), (31, 9388008), (36, 8084118), (42, 6929244), (49, 5939352), (54, 5389412), (56, 5196933), (62, 4694004), (63, 4619496), (72, 4042059), (84, 3464622), (93, 3129336), (98, 2969676), (108, 2694706), (124, 2347002), (126, 2309748), (147, 1979784), (168, 1732311), (186, 1564668), (189, 1539832), (196, 1484838), (216, 1347353), (217, 1341144), (248, 1173501), (252, 1154874), (279, 1043112), (294, 989892), (372, 782334), (378, 769916), (392, 742419), (434, 670572), (441, 659928), (504, 577437), (558, 521556), (588, 494946), (651, 447048), (744, 391167), (756, 384958), (837, 347704), (868, 335286), (882, 329964), (887, 328104), (1116, 260778), (1176, 247473), (1302, 223524), (1323, 219976), (1512, 192479), (1519, 191592), (1674, 173852), (1736, 167643), (1764, 164982), (1774, 164052), (1953, 149016), (2232, 130389), (2604, 111762), (2646, 109988), (2661, 109368), (3038, 95796), (3348, 86926), (3528, 82491), (3548, 82026), (3906, 74508), (4557, 63864), (5208, 55881), (5292, 54994), (5322, 54684), (5859, 49672), (6076, 47898), (6209, 46872), (6696, 43463), (7096, 41013), (7812, 37254), (7983, 36456), (9114, 31932), (10584, 27497), (10644, 27342), (11718, 24836), (12152, 23949), (12418, 23436), (13671, 21288), (15624, 18627), (15966, 18228)]