28756945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2843}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 41909184

約数和(自身を除く): 13152239

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1445, 2023, 2843, 10115, 14215, 19901, 48331, 99505, 241655, 338317, 821627, 1691585, 4108135, 5751389, 28756945]

約数ペア:

[(1, 28756945), (5, 5751389), (7, 4108135), (17, 1691585), (35, 821627), (85, 338317), (119, 241655), (289, 99505), (595, 48331), (1445, 19901), (2023, 14215), (2843, 10115)]