28490905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8543}}^1$

素因数の和:8600

約数の個数: 16

約数和(自身を含む): 36910080

約数和(自身を除く): 8419175

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 8543, 42715, 196489, 247747, 982445, 1238735, 5698181, 28490905]

約数ペア:

[(1, 28490905), (5, 5698181), (23, 1238735), (29, 982445), (115, 247747), (145, 196489), (667, 42715), (3335, 8543)]