685353232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2519681}}^1$

素因数の和:2519706

約数の個数: 20

約数和(自身を含む): 1405982556

約数和(自身を除く): 720629324

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2519681, 5039362, 10078724, 20157448, 40314896, 42834577, 85669154, 171338308, 342676616, 685353232]

約数ペア:

[(1, 685353232), (2, 342676616), (4, 171338308), (8, 85669154), (16, 42834577), (17, 40314896), (34, 20157448), (68, 10078724), (136, 5039362), (272, 2519681)]