13205005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 18973440

約数和(自身を除く): 5768435

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 319, 487, 493, 935, 1595, 2435, 2465, 5357, 5423, 8279, 14123, 26785, 27115, 41395, 70615, 91069, 155353, 240091, 455345, 776765, 1200455, 2641001, 13205005]

約数ペア:

[(1, 13205005), (5, 2641001), (11, 1200455), (17, 776765), (29, 455345), (55, 240091), (85, 155353), (145, 91069), (187, 70615), (319, 41395), (487, 27115), (493, 26785), (935, 14123), (1595, 8279), (2435, 5423), (2465, 5357)]