87821870

素因数分解:

$2^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{9901}}^1$

素因数の和:10795

約数の個数: 16

約数和(自身を含む): 158273568

約数和(自身を除く): 70451698

約数列:

[1, 2, 5, 10, 887, 1774, 4435, 8870, 9901, 19802, 49505, 99010, 8782187, 17564374, 43910935, 87821870]

約数ペア:

[(1, 87821870), (2, 43910935), (5, 17564374), (10, 8782187), (887, 99010), (1774, 49505), (4435, 19802), (8870, 9901)]