15663890785

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{2539}}^1$

素因数の和:3001

約数の個数: 32

約数和(自身を含む): 19648627200

約数和(自身を除く): 3984736415

約数列:

[1, 5, 29, 145, 157, 271, 785, 1355, 2539, 4553, 7859, 12695, 22765, 39295, 42547, 73631, 212735, 368155, 398623, 688069, 1233863, 1993115, 3440345, 6169315, 11560067, 19954001, 57800335, 99770005, 108026833, 540134165, 3132778157, 15663890785]

約数ペア:

[(1, 15663890785), (5, 3132778157), (29, 540134165), (145, 108026833), (157, 99770005), (271, 57800335), (785, 19954001), (1355, 11560067), (2539, 6169315), (4553, 3440345), (7859, 1993115), (12695, 1233863), (22765, 688069), (39295, 398623), (42547, 368155), (73631, 212735)]