80881913

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 94410624

約数和(自身を除く): 13528711

約数列:

[1, 7, 61, 307, 427, 617, 2149, 4319, 18727, 37637, 131089, 189419, 263459, 1325933, 11554559, 80881913]

約数ペア:

[(1, 80881913), (7, 11554559), (61, 1325933), (307, 263459), (427, 189419), (617, 131089), (2149, 37637), (4319, 18727)]