388601915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 511128576

約数和(自身を除く): 122526661

約数列:

[1, 5, 13, 65, 113, 191, 277, 565, 955, 1385, 1469, 2483, 3601, 7345, 12415, 18005, 21583, 31301, 52907, 107915, 156505, 264535, 280579, 406913, 687791, 1402895, 2034565, 3438955, 5978491, 29892455, 77720383, 388601915]

約数ペア:

[(1, 388601915), (5, 77720383), (13, 29892455), (65, 5978491), (113, 3438955), (191, 2034565), (277, 1402895), (565, 687791), (955, 406913), (1385, 280579), (1469, 264535), (2483, 156505), (3601, 107915), (7345, 52907), (12415, 31301), (18005, 21583)]