31389565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2819}}^1$

素因数の和:2972

約数の個数: 16

約数和(自身を含む): 40201920

約数和(自身を除く): 8812355

約数列:

[1, 5, 17, 85, 131, 655, 2227, 2819, 11135, 14095, 47923, 239615, 369289, 1846445, 6277913, 31389565]

約数ペア:

[(1, 31389565), (5, 6277913), (17, 1846445), (85, 369289), (131, 239615), (655, 47923), (2227, 14095), (2819, 11135)]