28408874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{13831}}^1$

素因数の和:13925

約数の個数: 16

約数和(自身を含む): 46475520

約数和(自身を除く): 18066646

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 13831, 27662, 179803, 359606, 1092649, 2185298, 14204437, 28408874]

約数ペア:

[(1, 28408874), (2, 14204437), (13, 2185298), (26, 1092649), (79, 359606), (158, 179803), (1027, 27662), (2054, 13831)]