78899425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2539}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 107716320

約数和(自身を除く): 28816895

約数列:

[1, 5, 11, 25, 55, 113, 275, 565, 1243, 2539, 2825, 6215, 12695, 27929, 31075, 63475, 139645, 286907, 698225, 1434535, 3155977, 7172675, 15779885, 78899425]

約数ペア:

[(1, 78899425), (5, 15779885), (11, 7172675), (25, 3155977), (55, 1434535), (113, 698225), (275, 286907), (565, 139645), (1243, 63475), (2539, 31075), (2825, 27929), (6215, 12695)]