256435382

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{3779}}^1$

素因数の和:3956

約数の個数: 32

約数和(自身を含む): 455051520

約数和(自身を除く): 198616138

約数列:

[1, 2, 7, 14, 37, 74, 131, 259, 262, 518, 917, 1834, 3779, 4847, 7558, 9694, 26453, 33929, 52906, 67858, 139823, 279646, 495049, 978761, 990098, 1957522, 3465343, 6930686, 18316813, 36633626, 128217691, 256435382]

約数ペア:

[(1, 256435382), (2, 128217691), (7, 36633626), (14, 18316813), (37, 6930686), (74, 3465343), (131, 1957522), (259, 990098), (262, 978761), (518, 495049), (917, 279646), (1834, 139823), (3779, 67858), (4847, 52906), (7558, 33929), (9694, 26453)]