28909810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{99689}}^1$

素因数の和:99725

約数の個数: 16

約数和(自身を含む): 53832600

約数和(自身を除く): 24922790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 99689, 199378, 498445, 996890, 2890981, 5781962, 14454905, 28909810]

約数ペア:

[(1, 28909810), (2, 14454905), (5, 5781962), (10, 2890981), (29, 996890), (58, 498445), (145, 199378), (290, 99689)]