28200985

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 34560000

約数和(自身を除く): 6359015

約数列:

[1, 5, 89, 127, 445, 499, 635, 2495, 11303, 44411, 56515, 63373, 222055, 316865, 5640197, 28200985]

約数ペア:

[(1, 28200985), (5, 5640197), (89, 316865), (127, 222055), (445, 63373), (499, 56515), (635, 44411), (2495, 11303)]