99973990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{243839}}^1$

素因数の和:243887

約数の個数: 16

約数和(自身を含む): 184343040

約数和(自身を除く): 84369050

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 243839, 487678, 1219195, 2438390, 9997399, 19994798, 49986995, 99973990]

約数ペア:

[(1, 99973990), (2, 49986995), (5, 19994798), (10, 9997399), (41, 2438390), (82, 1219195), (205, 487678), (410, 243839)]