2097715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 32

約数和(自身を含む): 2954880

約数和(自身を除く): 857165

約数列:

[1, 5, 17, 23, 29, 37, 85, 115, 145, 185, 391, 493, 629, 667, 851, 1073, 1955, 2465, 3145, 3335, 4255, 5365, 11339, 14467, 18241, 24679, 56695, 72335, 91205, 123395, 419543, 2097715]

約数ペア:

[(1, 2097715), (5, 419543), (17, 123395), (23, 91205), (29, 72335), (37, 56695), (85, 24679), (115, 18241), (145, 14467), (185, 11339), (391, 5365), (493, 4255), (629, 3335), (667, 3145), (851, 2465), (1073, 1955)]