28728515

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2843}}^1$

素因数の和:2938

約数の個数: 16

約数和(自身を含む): 36039168

約数和(自身を除く): 7310653

約数列:

[1, 5, 43, 47, 215, 235, 2021, 2843, 10105, 14215, 122249, 133621, 611245, 668105, 5745703, 28728515]

約数ペア:

[(1, 28728515), (5, 5745703), (43, 668105), (47, 611245), (215, 133621), (235, 122249), (2021, 14215), (2843, 10105)]