28981379

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1019}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 35251200

約数和(自身を除く): 6269821

約数列:

[1, 7, 17, 119, 239, 1019, 1673, 4063, 7133, 17323, 28441, 121261, 243541, 1704787, 4140197, 28981379]

約数ペア:

[(1, 28981379), (7, 4140197), (17, 1704787), (119, 243541), (239, 121261), (1019, 28441), (1673, 17323), (4063, 7133)]