2017221445

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{1396001}}^1$

素因数の和:1396040

約数の個数: 12

約数和(自身を含む): 2571435684

約数和(自身を除く): 554214239

約数列:

[1, 5, 17, 85, 289, 1445, 1396001, 6980005, 23732017, 118660085, 403444289, 2017221445]

約数ペア:

[(1, 2017221445), (5, 403444289), (17, 118660085), (85, 23732017), (289, 6980005), (1445, 1396001)]