261775642

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{5443}}^1$

素因数の和:5757

約数の個数: 16

約数和(自身を含む): 397847520

約数和(自身を除く): 136071878

約数列:

[1, 2, 139, 173, 278, 346, 5443, 10886, 24047, 48094, 756577, 941639, 1513154, 1883278, 130887821, 261775642]

約数ペア:

[(1, 261775642), (2, 130887821), (139, 1883278), (173, 1513154), (278, 941639), (346, 756577), (5443, 48094), (10886, 24047)]