81925145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{2251}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 102150720

約数和(自身を除く): 20225575

約数列:

[1, 5, 29, 145, 251, 1255, 2251, 7279, 11255, 36395, 65279, 326395, 565001, 2825005, 16385029, 81925145]

約数ペア:

[(1, 81925145), (5, 16385029), (29, 2825005), (145, 565001), (251, 326395), (1255, 65279), (2251, 36395), (7279, 11255)]