68675971

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 90574848

約数和(自身を除く): 21898877

約数列:

[1, 7, 13, 17, 91, 103, 119, 221, 431, 721, 1339, 1547, 1751, 3017, 5603, 7327, 9373, 12257, 22763, 39221, 44393, 51289, 95251, 159341, 310751, 577109, 666757, 754681, 4039763, 5282767, 9810853, 68675971]

約数ペア:

[(1, 68675971), (7, 9810853), (13, 5282767), (17, 4039763), (91, 754681), (103, 666757), (119, 577109), (221, 310751), (431, 159341), (721, 95251), (1339, 51289), (1547, 44393), (1751, 39221), (3017, 22763), (5603, 12257), (7327, 9373)]