87409231

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{4019}}^1$

素因数の和:4278

約数の個数: 16

約数和(自身を含む): 108057600

約数和(自身を除く): 20648369

約数列:

[1, 7, 13, 91, 239, 1673, 3107, 4019, 21749, 28133, 52247, 365729, 960541, 6723787, 12487033, 87409231]

約数ペア:

[(1, 87409231), (7, 12487033), (13, 6723787), (91, 960541), (239, 365729), (1673, 52247), (3107, 28133), (4019, 21749)]