28649335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2403

約数の個数: 32

約数和(自身を含む): 42783552

約数和(自身を除く): 14134217

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2357, 2431, 11785, 12155, 25927, 30641, 40069, 129635, 153205, 200345, 337051, 440759, 520897, 1685255, 2203795, 2604485, 5729867, 28649335]

約数ペア:

[(1, 28649335), (5, 5729867), (11, 2604485), (13, 2203795), (17, 1685255), (55, 520897), (65, 440759), (85, 337051), (143, 200345), (187, 153205), (221, 129635), (715, 40069), (935, 30641), (1105, 25927), (2357, 12155), (2431, 11785)]