72009925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3307}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 97625696

約数和(自身を除く): 25615771

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 3307, 4355, 16535, 21775, 42991, 82675, 214955, 221569, 1074775, 1107845, 2880397, 5539225, 14401985, 72009925]

約数ペア:

[(1, 72009925), (5, 14401985), (13, 5539225), (25, 2880397), (65, 1107845), (67, 1074775), (325, 221569), (335, 214955), (871, 82675), (1675, 42991), (3307, 21775), (4355, 16535)]