28907770

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{22067}}^1$

素因数の和:22205

約数の個数: 16

約数和(自身を含む): 52433568

約数和(自身を除く): 23525798

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 22067, 44134, 110335, 220670, 2890777, 5781554, 14453885, 28907770]

約数ペア:

[(1, 28907770), (2, 14453885), (5, 5781554), (10, 2890777), (131, 220670), (262, 110335), (655, 44134), (1310, 22067)]