218367556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{81359}}^1$

素因数の和:81435

約数の個数: 24

約数和(自身を含む): 423722880

約数和(自身を除く): 205355324

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 81359, 162718, 325436, 894949, 1789898, 3579796, 4962899, 9925798, 19851596, 54591889, 109183778, 218367556]

約数ペア:

[(1, 218367556), (2, 109183778), (4, 54591889), (11, 19851596), (22, 9925798), (44, 4962899), (61, 3579796), (122, 1789898), (244, 894949), (671, 325436), (1342, 162718), (2684, 81359)]