28070990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{41897}}^1$

素因数の和:41971

約数の個数: 16

約数和(自身を含む): 51283152

約数和(自身を除く): 23212162

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 41897, 83794, 209485, 418970, 2807099, 5614198, 14035495, 28070990]

約数ペア:

[(1, 28070990), (2, 14035495), (5, 5614198), (10, 2807099), (67, 418970), (134, 209485), (335, 83794), (670, 41897)]