7680475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{2539}}^1$

素因数の和:2571

約数の個数: 18

約数和(自身を含む): 10472420

約数和(自身を除く): 2791945

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 2539, 3025, 12695, 27929, 63475, 139645, 307219, 698225, 1536095, 7680475]

約数ペア:

[(1, 7680475), (5, 1536095), (11, 698225), (25, 307219), (55, 139645), (121, 63475), (275, 27929), (605, 12695), (2539, 3025)]