311919962

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1\times {\mathrm{1999}}^1$

素因数の和:3341

約数の個数: 16

約数和(自身を含む): 476160000

約数和(自身を除く): 164240038

約数列:

[1, 2, 61, 122, 1279, 1999, 2558, 3998, 78019, 121939, 156038, 243878, 2556721, 5113442, 155959981, 311919962]

約数ペア:

[(1, 311919962), (2, 155959981), (61, 5113442), (122, 2556721), (1279, 243878), (1999, 156038), (2558, 121939), (3998, 78019)]