72639215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{77689}}^1$

素因数の和:77722

約数の個数: 16

約数和(自身を含む): 100686240

約数和(自身を除く): 28047025

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 77689, 388445, 854579, 1320713, 4272895, 6603565, 14527843, 72639215]

約数ペア:

[(1, 72639215), (5, 14527843), (11, 6603565), (17, 4272895), (55, 1320713), (85, 854579), (187, 388445), (935, 77689)]