388768025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{7243}}^1$

素因数の和:7385

約数の個数: 24

約数和(自身を含む): 512005920

約数和(自身を除く): 123237895

約数列:

[1, 5, 19, 25, 95, 113, 475, 565, 2147, 2825, 7243, 10735, 36215, 53675, 137617, 181075, 688085, 818459, 3440425, 4092295, 15550721, 20461475, 77753605, 388768025]

約数ペア:

[(1, 388768025), (5, 77753605), (19, 20461475), (25, 15550721), (95, 4092295), (113, 3440425), (475, 818459), (565, 688085), (2147, 181075), (2825, 137617), (7243, 53675), (10735, 36215)]