12213025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 16740000

約数和(自身を除く): 4526975

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 499, 979, 2225, 2495, 4895, 5489, 12475, 24475, 27445, 44411, 137225, 222055, 488521, 1110275, 2442605, 12213025]

約数ペア:

[(1, 12213025), (5, 2442605), (11, 1110275), (25, 488521), (55, 222055), (89, 137225), (275, 44411), (445, 27445), (499, 24475), (979, 12475), (2225, 5489), (2495, 4895)]