12993253

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 17466624

約数和(自身を除く): 4473371

約数列:

[1, 7, 13, 17, 37, 91, 119, 221, 227, 259, 481, 629, 1547, 1589, 2951, 3367, 3859, 4403, 8177, 8399, 20657, 27013, 50167, 57239, 58793, 109187, 142783, 351169, 764309, 999481, 1856179, 12993253]

約数ペア:

[(1, 12993253), (7, 1856179), (13, 999481), (17, 764309), (37, 351169), (91, 142783), (119, 109187), (221, 58793), (227, 57239), (259, 50167), (481, 27013), (629, 20657), (1547, 8399), (1589, 8177), (2951, 4403), (3367, 3859)]