221237790718

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{144978893}}^1$

素因数の和:144979011

約数の個数: 16

約数和(自身を含む): 382744280160

約数和(自身を除く): 161506489442

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 144978893, 289957786, 1014852251, 2029704502, 15802699337, 31605398674, 110618895359, 221237790718]

約数ペア:

[(1, 221237790718), (2, 110618895359), (7, 31605398674), (14, 15802699337), (109, 2029704502), (218, 1014852251), (763, 289957786), (1526, 144978893)]