81842008

素因数分解:

$2^3\times {\mathrm{1009}}^1\times {\mathrm{10139}}^1$

素因数の和:11154

約数の個数: 16

約数和(自身を含む): 153621000

約数和(自身を除く): 71778992

約数列:

[1, 2, 4, 8, 1009, 2018, 4036, 8072, 10139, 20278, 40556, 81112, 10230251, 20460502, 40921004, 81842008]

約数ペア:

[(1, 81842008), (2, 40921004), (4, 20460502), (8, 10230251), (1009, 81112), (2018, 40556), (4036, 20278), (8072, 10139)]