256837854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{470399}}^1$

素因数の和:470424

約数の個数: 32

約数和(自身を含む): 632217600

約数和(自身を除く): 375379746

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 470399, 940798, 1411197, 2822394, 3292793, 6115187, 6585586, 9878379, 12230374, 18345561, 19756758, 36691122, 42806309, 85612618, 128418927, 256837854]

約数ペア:

[(1, 256837854), (2, 128418927), (3, 85612618), (6, 42806309), (7, 36691122), (13, 19756758), (14, 18345561), (21, 12230374), (26, 9878379), (39, 6585586), (42, 6115187), (78, 3292793), (91, 2822394), (182, 1411197), (273, 940798), (546, 470399)]