71112830

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{17387}}^1$

素因数の和:17803

約数の個数: 16

約数和(自身を含む): 128323440

約数和(自身を除く): 57210610

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 17387, 34774, 86935, 173870, 7111283, 14222566, 35556415, 71112830]

約数ペア:

[(1, 71112830), (2, 35556415), (5, 14222566), (10, 7111283), (409, 173870), (818, 86935), (2045, 34774), (4090, 17387)]