139248848

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{142673}}^1$

素因数の和:142742

約数の個数: 20

約数和(自身を含む): 274219428

約数和(自身を除く): 134970580

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 142673, 285346, 570692, 1141384, 2282768, 8703053, 17406106, 34812212, 69624424, 139248848]

約数ペア:

[(1, 139248848), (2, 69624424), (4, 34812212), (8, 17406106), (16, 8703053), (61, 2282768), (122, 1141384), (244, 570692), (488, 285346), (976, 142673)]