78811970

素因数分解:

$2^1\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{3571}}^1$

素因数の和:5785

約数の個数: 16

約数和(自身を含む): 141965568

約数和(自身を除く): 63153598

約数列:

[1, 2, 5, 10, 2207, 3571, 4414, 7142, 11035, 17855, 22070, 35710, 7881197, 15762394, 39405985, 78811970]

約数ペア:

[(1, 78811970), (2, 39405985), (5, 15762394), (10, 7881197), (2207, 35710), (3571, 22070), (4414, 17855), (7142, 11035)]