220122478

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1\times {\mathrm{1619}}^1$

素因数の和:2211

約数の個数: 16

約数和(自身を含む): 333259920

約数和(自身を除く): 113137442

約数列:

[1, 2, 157, 314, 433, 866, 1619, 3238, 67981, 135962, 254183, 508366, 701027, 1402054, 110061239, 220122478]

約数ペア:

[(1, 220122478), (2, 110061239), (157, 1402054), (314, 701027), (433, 508366), (866, 254183), (1619, 135962), (3238, 67981)]