172811418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2215531}}^1$

素因数の和:2215549

約数の個数: 16

約数和(自身を含む): 372209376

約数和(自身を除く): 199397958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2215531, 4431062, 6646593, 13293186, 28801903, 57603806, 86405709, 172811418]

約数ペア:

[(1, 172811418), (2, 86405709), (3, 57603806), (6, 28801903), (13, 13293186), (26, 6646593), (39, 4431062), (78, 2215531)]