22212985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 27720000

約数和(自身を除く): 5507015

約数列:

[1, 5, 29, 145, 307, 499, 1535, 2495, 8903, 14471, 44515, 72355, 153193, 765965, 4442597, 22212985]

約数ペア:

[(1, 22212985), (5, 4442597), (29, 765965), (145, 153193), (307, 72355), (499, 44515), (1535, 14471), (2495, 8903)]