28123642

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 42780672

約数和(自身を除く): 14657030

約数列:

[1, 2, 127, 254, 263, 421, 526, 842, 33401, 53467, 66802, 106934, 110723, 221446, 14061821, 28123642]

約数ペア:

[(1, 28123642), (2, 14061821), (127, 221446), (254, 110723), (263, 106934), (421, 66802), (526, 53467), (842, 33401)]