644469122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{681257}}^1$

素因数の和:681313

約数の個数: 16

約数和(自身を含む): 1079112672

約数和(自身を除く): 434643550

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 681257, 1362514, 7493827, 14987654, 29294051, 58588102, 322234561, 644469122]

約数ペア:

[(1, 644469122), (2, 322234561), (11, 58588102), (22, 29294051), (43, 14987654), (86, 7493827), (473, 1362514), (946, 681257)]