257794264

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11423}}^1$

素因数の和:11480

約数の個数: 64

約数和(自身を含む): 614154240

約数和(自身を除く): 356359976

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 11423, 22568, 22846, 45692, 79961, 91384, 148499, 159922, 296998, 319844, 354113, 593996, 639688, 708226, 1039493, 1187992, 1416452, 2078986, 2478791, 2832904, 4157972, 4603469, 4957582, 8315944, 9206938, 9915164, 18413876, 19830328, 32224283, 36827752, 64448566, 128897132, 257794264]

約数ペア:

[(1, 257794264), (2, 128897132), (4, 64448566), (7, 36827752), (8, 32224283), (13, 19830328), (14, 18413876), (26, 9915164), (28, 9206938), (31, 8315944), (52, 4957582), (56, 4603469), (62, 4157972), (91, 2832904), (104, 2478791), (124, 2078986), (182, 1416452), (217, 1187992), (248, 1039493), (364, 708226), (403, 639688), (434, 593996), (728, 354113), (806, 319844), (868, 296998), (1612, 159922), (1736, 148499), (2821, 91384), (3224, 79961), (5642, 45692), (11284, 22846), (11423, 22568)]