28517372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4003}}^1$

素因数の和:4157

約数の個数: 24

約数和(自身を含む): 54150096

約数和(自身を除く): 25632724

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 4003, 7124, 8006, 16012, 52039, 104078, 208156, 548411, 1096822, 2193644, 7129343, 14258686, 28517372]

約数ペア:

[(1, 28517372), (2, 14258686), (4, 7129343), (13, 2193644), (26, 1096822), (52, 548411), (137, 208156), (274, 104078), (548, 52039), (1781, 16012), (3562, 8006), (4003, 7124)]