221549438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{165089}}^1$

素因数の和:165163

約数の個数: 16

約数和(自身を含む): 368480880

約数和(自身を除く): 146931442

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 165089, 330178, 1815979, 3631958, 10070429, 20140858, 110774719, 221549438]

約数ペア:

[(1, 221549438), (2, 110774719), (11, 20140858), (22, 10070429), (61, 3631958), (122, 1815979), (671, 330178), (1342, 165089)]