15500225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 21274680

約数和(自身を除く): 5774455

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 1289, 2405, 6445, 12025, 16757, 32225, 47693, 83785, 238465, 418925, 620009, 1192325, 3100045, 15500225]

約数ペア:

[(1, 15500225), (5, 3100045), (13, 1192325), (25, 620009), (37, 418925), (65, 238465), (185, 83785), (325, 47693), (481, 32225), (925, 16757), (1289, 12025), (2405, 6445)]