81503390

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{35591}}^1$

素因数の和:35827

約数の個数: 16

約数和(自身を含む): 147350880

約数和(自身を除く): 65847490

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 35591, 71182, 177955, 355910, 8150339, 16300678, 40751695, 81503390]

約数ペア:

[(1, 81503390), (2, 40751695), (5, 16300678), (10, 8150339), (229, 355910), (458, 177955), (1145, 71182), (2290, 35591)]