72148225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{787}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 94780640

約数和(自身を除く): 22632415

約数列:

[1, 5, 19, 25, 95, 193, 475, 787, 965, 3667, 3935, 4825, 14953, 18335, 19675, 74765, 91675, 151891, 373825, 759455, 2885929, 3797275, 14429645, 72148225]

約数ペア:

[(1, 72148225), (5, 14429645), (19, 3797275), (25, 2885929), (95, 759455), (193, 373825), (475, 151891), (787, 91675), (965, 74765), (3667, 19675), (3935, 18335), (4825, 14953)]