256895028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10357}}^1$

素因数の和:10433

約数の個数: 72

約数和(自身を含む): 712588968

約数和(自身を除く): 455693940

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 4134, 6201, 8268, 10357, 12402, 20714, 24804, 31071, 41428, 62142, 93213, 124284, 134641, 186426, 269282, 372852, 403923, 538564, 548921, 807846, 1097842, 1211769, 1615692, 1646763, 2195684, 2423538, 3293526, 4847076, 4940289, 6587052, 7135973, 9880578, 14271946, 19761156, 21407919, 28543892, 42815838, 64223757, 85631676, 128447514, 256895028]

約数ペア:

[(1, 256895028), (2, 128447514), (3, 85631676), (4, 64223757), (6, 42815838), (9, 28543892), (12, 21407919), (13, 19761156), (18, 14271946), (26, 9880578), (36, 7135973), (39, 6587052), (52, 4940289), (53, 4847076), (78, 3293526), (106, 2423538), (117, 2195684), (156, 1646763), (159, 1615692), (212, 1211769), (234, 1097842), (318, 807846), (468, 548921), (477, 538564), (636, 403923), (689, 372852), (954, 269282), (1378, 186426), (1908, 134641), (2067, 124284), (2756, 93213), (4134, 62142), (6201, 41428), (8268, 31071), (10357, 24804), (12402, 20714)]