256569846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{13763}}^1$

素因数の和:14020

約数の個数: 32

約数和(自身を含む): 554964480

約数和(自身を除く): 298394634

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239, 478, 717, 1434, 3107, 6214, 9321, 13763, 18642, 27526, 41289, 82578, 178919, 357838, 536757, 1073514, 3289357, 6578714, 9868071, 19736142, 42761641, 85523282, 128284923, 256569846]

約数ペア:

[(1, 256569846), (2, 128284923), (3, 85523282), (6, 42761641), (13, 19736142), (26, 9868071), (39, 6578714), (78, 3289357), (239, 1073514), (478, 536757), (717, 357838), (1434, 178919), (3107, 82578), (6214, 41289), (9321, 27526), (13763, 18642)]