668814674

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{881}}^1\times {\mathrm{3137}}^1$

素因数の和:4042

約数の個数: 24

約数和(自身を含む): 1104318684

約数和(自身を除く): 435504010

約数列:

[1, 2, 11, 22, 121, 242, 881, 1762, 3137, 6274, 9691, 19382, 34507, 69014, 106601, 213202, 379577, 759154, 2763697, 5527394, 30400667, 60801334, 334407337, 668814674]

約数ペア:

[(1, 668814674), (2, 334407337), (11, 60801334), (22, 30400667), (121, 5527394), (242, 2763697), (881, 759154), (1762, 379577), (3137, 213202), (6274, 106601), (9691, 69014), (19382, 34507)]