15780355

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3863}}^1$

素因数の和:3930

約数の個数: 16

約数和(自身を含む): 20401920

約数和(自身を除く): 4621565

約数列:

[1, 5, 19, 43, 95, 215, 817, 3863, 4085, 19315, 73397, 166109, 366985, 830545, 3156071, 15780355]

約数ペア:

[(1, 15780355), (5, 3156071), (19, 830545), (43, 366985), (95, 166109), (215, 73397), (817, 19315), (3863, 4085)]