57881999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 73920000

約数和(自身を除く): 16038001

約数列:

[1, 7, 19, 29, 43, 133, 203, 301, 349, 551, 817, 1247, 2443, 3857, 5719, 6631, 8729, 10121, 15007, 23693, 46417, 70847, 105049, 165851, 192299, 285133, 435203, 1346093, 1995931, 3046421, 8268857, 57881999]

約数ペア:

[(1, 57881999), (7, 8268857), (19, 3046421), (29, 1995931), (43, 1346093), (133, 435203), (203, 285133), (301, 192299), (349, 165851), (551, 105049), (817, 70847), (1247, 46417), (2443, 23693), (3857, 15007), (5719, 10121), (6631, 8729)]