87431770

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{27581}}^1$

素因数の和:27905

約数の個数: 16

約数和(自身を含む): 157879368

約数和(自身を除く): 70447598

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 27581, 55162, 137905, 275810, 8743177, 17486354, 43715885, 87431770]

約数ペア:

[(1, 87431770), (2, 43715885), (5, 17486354), (10, 8743177), (317, 275810), (634, 137905), (1585, 55162), (3170, 27581)]