12698375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 17072640

約数和(自身を除く): 4374265

約数列:

[1, 5, 25, 29, 31, 113, 125, 145, 155, 565, 725, 775, 899, 2825, 3277, 3503, 3625, 3875, 4495, 14125, 16385, 17515, 22475, 81925, 87575, 101587, 112375, 409625, 437875, 507935, 2539675, 12698375]

約数ペア:

[(1, 12698375), (5, 2539675), (25, 507935), (29, 437875), (31, 409625), (113, 112375), (125, 101587), (145, 87575), (155, 81925), (565, 22475), (725, 17515), (775, 16385), (899, 14125), (2825, 4495), (3277, 3875), (3503, 3625)]