640454686

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{46769}}^1$

素因数の和:46979

約数の個数: 16

約数和(自身を含む): 990027360

約数和(自身を除く): 349572674

約数列:

[1, 2, 41, 82, 167, 334, 6847, 13694, 46769, 93538, 1917529, 3835058, 7810423, 15620846, 320227343, 640454686]

約数ペア:

[(1, 640454686), (2, 320227343), (41, 15620846), (82, 7810423), (167, 3835058), (334, 1917529), (6847, 93538), (13694, 46769)]