840858335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7933}}^1$

素因数の和:8027

約数の個数: 32

約数和(自身を含む): 1131071040

約数和(自身を除く): 290212705

約数列:

[1, 5, 17, 29, 43, 85, 145, 215, 493, 731, 1247, 2465, 3655, 6235, 7933, 21199, 39665, 105995, 134861, 230057, 341119, 674305, 1150285, 1705595, 3910969, 5799023, 9892451, 19554845, 28995115, 49462255, 168171667, 840858335]

約数ペア:

[(1, 840858335), (5, 168171667), (17, 49462255), (29, 28995115), (43, 19554845), (85, 9892451), (145, 5799023), (215, 3910969), (493, 1705595), (731, 1150285), (1247, 674305), (2465, 341119), (3655, 230057), (6235, 134861), (7933, 105995), (21199, 39665)]