13811395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 19595520

約数和(自身を除く): 5784125

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 431, 493, 1105, 1885, 2155, 2465, 5603, 6409, 7327, 12499, 28015, 32045, 36635, 62495, 95251, 162487, 212483, 476255, 812435, 1062415, 2762279, 13811395]

約数ペア:

[(1, 13811395), (5, 2762279), (13, 1062415), (17, 812435), (29, 476255), (65, 212483), (85, 162487), (145, 95251), (221, 62495), (377, 36635), (431, 32045), (493, 28015), (1105, 12499), (1885, 7327), (2155, 6409), (2465, 5603)]