68838679

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 87907680

約数和(自身を除く): 19069001

約数列:

[1, 7, 13, 49, 53, 91, 371, 637, 689, 2039, 2597, 4823, 14273, 26507, 33761, 99911, 108067, 185549, 756469, 1298843, 1404871, 5295283, 9834097, 68838679]

約数ペア:

[(1, 68838679), (7, 9834097), (13, 5295283), (49, 1404871), (53, 1298843), (91, 756469), (371, 185549), (637, 108067), (689, 99911), (2039, 33761), (2597, 26507), (4823, 14273)]