2681987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 3404544

約数和(自身を除く): 722557

約数列:

[1, 7, 11, 61, 77, 427, 571, 671, 3997, 4697, 6281, 34831, 43967, 243817, 383141, 2681987]

約数ペア:

[(1, 2681987), (7, 383141), (11, 243817), (61, 43967), (77, 34831), (427, 6281), (571, 4697), (671, 3997)]