257652304

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{569}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 617460480

約数和(自身を除く): 359808176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 311, 364, 569, 622, 728, 1138, 1244, 1456, 2177, 2276, 2488, 3983, 4043, 4354, 4552, 4976, 7397, 7966, 8086, 8708, 9104, 14794, 15932, 16172, 17416, 28301, 29588, 31864, 32344, 34832, 51779, 56602, 59176, 63728, 64688, 103558, 113204, 118352, 176959, 207116, 226408, 353918, 414232, 452816, 707836, 828464, 1238713, 1415672, 2300467, 2477426, 2831344, 4600934, 4954852, 9201868, 9909704, 16103269, 18403736, 19819408, 32206538, 36807472, 64413076, 128826152, 257652304]

約数ペア:

[(1, 257652304), (2, 128826152), (4, 64413076), (7, 36807472), (8, 32206538), (13, 19819408), (14, 18403736), (16, 16103269), (26, 9909704), (28, 9201868), (52, 4954852), (56, 4600934), (91, 2831344), (104, 2477426), (112, 2300467), (182, 1415672), (208, 1238713), (311, 828464), (364, 707836), (569, 452816), (622, 414232), (728, 353918), (1138, 226408), (1244, 207116), (1456, 176959), (2177, 118352), (2276, 113204), (2488, 103558), (3983, 64688), (4043, 63728), (4354, 59176), (4552, 56602), (4976, 51779), (7397, 34832), (7966, 32344), (8086, 31864), (8708, 29588), (9104, 28301), (14794, 17416), (15932, 16172)]