2056945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 2721600

約数和(自身を除く): 664655

約数列:

[1, 5, 11, 55, 149, 251, 745, 1255, 1639, 2761, 8195, 13805, 37399, 186995, 411389, 2056945]

約数ペア:

[(1, 2056945), (5, 411389), (11, 186995), (55, 37399), (149, 13805), (251, 8195), (745, 2761), (1255, 1639)]