2781493

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 3338496

約数和(自身を除く): 557003

約数列:

[1, 11, 13, 53, 143, 367, 583, 689, 4037, 4771, 7579, 19451, 52481, 213961, 252863, 2781493]

約数ペア:

[(1, 2781493), (11, 252863), (13, 213961), (53, 52481), (143, 19451), (367, 7579), (583, 4771), (689, 4037)]