42020422

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 63898992

約数和(自身を除く): 21878570

約数列:

[1, 2, 157, 163, 314, 326, 821, 1642, 25591, 51182, 128897, 133823, 257794, 267646, 21010211, 42020422]

約数ペア:

[(1, 42020422), (2, 21010211), (157, 267646), (163, 257794), (314, 133823), (326, 128897), (821, 51182), (1642, 25591)]