641569492

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{12421}}^1$

素因数の和:12811

約数の個数: 24

約数和(自身を含む): 1156488200

約数和(自身を除く): 514918708

約数列:

[1, 2, 4, 37, 74, 148, 349, 698, 1396, 12421, 12913, 24842, 25826, 49684, 51652, 459577, 919154, 1838308, 4334929, 8669858, 17339716, 160392373, 320784746, 641569492]

約数ペア:

[(1, 641569492), (2, 320784746), (4, 160392373), (37, 17339716), (74, 8669858), (148, 4334929), (349, 1838308), (698, 919154), (1396, 459577), (12421, 51652), (12913, 49684), (24842, 25826)]