82874405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{42391}}^1$

素因数の和:42436

約数の個数: 16

約数和(自身を含む): 109880064

約数和(自身を除く): 27005659

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 42391, 211955, 720647, 974993, 3603235, 4874965, 16574881, 82874405]

約数ペア:

[(1, 82874405), (5, 16574881), (17, 4874965), (23, 3603235), (85, 974993), (115, 720647), (391, 211955), (1955, 42391)]