1971292715

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{7687}}^1$

素因数の和:8147

約数の個数: 32

約数和(自身を含む): 2869530624

約数和(自身を除く): 898237909

約数列:

[1, 5, 7, 17, 35, 85, 119, 431, 595, 2155, 3017, 7327, 7687, 15085, 36635, 38435, 51289, 53809, 130679, 256445, 269045, 653395, 914753, 3313097, 4573765, 16565485, 23191679, 56322649, 115958395, 281613245, 394258543, 1971292715]

約数ペア:

[(1, 1971292715), (5, 394258543), (7, 281613245), (17, 115958395), (35, 56322649), (85, 23191679), (119, 16565485), (431, 4573765), (595, 3313097), (2155, 914753), (3017, 653395), (7327, 269045), (7687, 256445), (15085, 130679), (36635, 53809), (38435, 51289)]