9886985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 12344832

約数和(自身を除く): 2457847

約数列:

[1, 5, 31, 155, 227, 281, 1135, 1405, 7037, 8711, 35185, 43555, 63787, 318935, 1977397, 9886985]

約数ペア:

[(1, 9886985), (5, 1977397), (31, 318935), (155, 63787), (227, 43555), (281, 35185), (1135, 8711), (1405, 7037)]