1990456769

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{11551}}^1$

素因数の和:11900

約数の個数: 16

約数和(自身を含む): 2306703360

約数和(自身を除く): 316246591

約数列:

[1, 7, 103, 239, 721, 1673, 11551, 24617, 80857, 172319, 1189753, 2760689, 8328271, 19324823, 284350967, 1990456769]

約数ペア:

[(1, 1990456769), (7, 284350967), (103, 19324823), (239, 8328271), (721, 2760689), (1673, 1189753), (11551, 172319), (24617, 80857)]