28204865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1093}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 36574608

約数和(自身を除く): 8369743

約数列:

[1, 5, 13, 65, 397, 1093, 1985, 5161, 5465, 14209, 25805, 71045, 433921, 2169605, 5640973, 28204865]

約数ペア:

[(1, 28204865), (5, 5640973), (13, 2169605), (65, 433921), (397, 71045), (1093, 25805), (1985, 14209), (5161, 5465)]