205525908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26309}}^1$

素因数の和:26357

約数の個数: 72

約数和(自身を含む): 612917760

約数和(自身を除く): 407391852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 26309, 52618, 78927, 105236, 157854, 184163, 236781, 315708, 368326, 473562, 552489, 736652, 815579, 947124, 1104978, 1631158, 1657467, 2209956, 2446737, 3262316, 3314934, 4893474, 5709053, 6629868, 7340211, 9786948, 11418106, 14680422, 17127159, 22836212, 29360844, 34254318, 51381477, 68508636, 102762954, 205525908]

約数ペア:

[(1, 205525908), (2, 102762954), (3, 68508636), (4, 51381477), (6, 34254318), (7, 29360844), (9, 22836212), (12, 17127159), (14, 14680422), (18, 11418106), (21, 9786948), (28, 7340211), (31, 6629868), (36, 5709053), (42, 4893474), (62, 3314934), (63, 3262316), (84, 2446737), (93, 2209956), (124, 1657467), (126, 1631158), (186, 1104978), (217, 947124), (252, 815579), (279, 736652), (372, 552489), (434, 473562), (558, 368326), (651, 315708), (868, 236781), (1116, 184163), (1302, 157854), (1953, 105236), (2604, 78927), (3906, 52618), (7812, 26309)]