43420279

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 51840000

約数和(自身を除く): 8419721

約数列:

[1, 7, 29, 107, 203, 749, 1999, 3103, 13993, 21721, 57971, 213893, 405797, 1497251, 6202897, 43420279]

約数ペア:

[(1, 43420279), (7, 6202897), (29, 1497251), (107, 405797), (203, 213893), (749, 57971), (1999, 21721), (3103, 13993)]