133801870

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{20809}}^1$

素因数の和:21459

約数の個数: 16

約数和(自身を含む): 241229520

約数和(自身を除く): 107427650

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 20809, 41618, 104045, 208090, 13380187, 26760374, 66900935, 133801870]

約数ペア:

[(1, 133801870), (2, 66900935), (5, 26760374), (10, 13380187), (643, 208090), (1286, 104045), (3215, 41618), (6430, 20809)]