71731855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{6379}}^1$

素因数の和:6570

約数の個数: 16

約数和(自身を含む): 93250080

約数和(自身を除く): 21518225

約数列:

[1, 5, 13, 65, 173, 865, 2249, 6379, 11245, 31895, 82927, 414635, 1103567, 5517835, 14346371, 71731855]

約数ペア:

[(1, 71731855), (5, 14346371), (13, 5517835), (65, 1103567), (173, 414635), (865, 82927), (2249, 31895), (6379, 11245)]