1221699190

素因数分解:

$2^1\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{63863}}^1$

素因数の和:65783

約数の個数: 16

約数和(自身を含む): 2200242528

約数和(自身を除く): 978543338

約数列:

[1, 2, 5, 10, 1913, 3826, 9565, 19130, 63863, 127726, 319315, 638630, 122169919, 244339838, 610849595, 1221699190]

約数ペア:

[(1, 1221699190), (2, 610849595), (5, 244339838), (10, 122169919), (1913, 638630), (3826, 319315), (9565, 127726), (19130, 63863)]