68918852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21089}}^1$

素因数の和:21155

約数の個数: 24

約数和(自身を含む): 129914400

約数和(自身を除く): 60995548

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 21089, 42178, 84356, 400691, 801382, 906827, 1602764, 1813654, 3627308, 17229713, 34459426, 68918852]

約数ペア:

[(1, 68918852), (2, 34459426), (4, 17229713), (19, 3627308), (38, 1813654), (43, 1602764), (76, 906827), (86, 801382), (172, 400691), (817, 84356), (1634, 42178), (3268, 21089)]