129274312

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{394129}}^1$

素因数の和:394176

約数の個数: 16

約数和(自身を含む): 248301900

約数和(自身を除く): 119027588

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 394129, 788258, 1576516, 3153032, 16159289, 32318578, 64637156, 129274312]

約数ペア:

[(1, 129274312), (2, 64637156), (4, 32318578), (8, 16159289), (41, 3153032), (82, 1576516), (164, 788258), (328, 394129)]