28685945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5801}}^1$

素因数の和:5872

約数の個数: 16

約数和(自身を含む): 36761472

約数和(自身を除く): 8075527

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 5801, 29005, 133423, 249443, 667115, 1247215, 5737189, 28685945]

約数ペア:

[(1, 28685945), (5, 5737189), (23, 1247215), (43, 667115), (115, 249443), (215, 133423), (989, 29005), (4945, 5801)]