81118018

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{1597}}^1$

素因数の和:1941

約数の個数: 16

約数和(自身を含む): 123397560

約数和(自身を除く): 42279542

約数列:

[1, 2, 109, 218, 233, 466, 1597, 3194, 25397, 50794, 174073, 348146, 372101, 744202, 40559009, 81118018]

約数ペア:

[(1, 81118018), (2, 40559009), (109, 744202), (218, 372101), (233, 348146), (466, 174073), (1597, 50794), (3194, 25397)]