13972075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{3307}}^1$

素因数の和:3343

約数の個数: 18

約数和(自身を含む): 18766284

約数和(自身を除く): 4794209

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 3307, 4225, 16535, 42991, 82675, 214955, 558883, 1074775, 2794415, 13972075]

約数ペア:

[(1, 13972075), (5, 2794415), (13, 1074775), (25, 558883), (65, 214955), (169, 82675), (325, 42991), (845, 16535), (3307, 4225)]