68898790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{405287}}^1$

素因数の和:405311

約数の個数: 16

約数和(自身を含む): 131313312

約数和(自身を除く): 62414522

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 405287, 810574, 2026435, 4052870, 6889879, 13779758, 34449395, 68898790]

約数ペア:

[(1, 68898790), (2, 34449395), (5, 13779758), (10, 6889879), (17, 4052870), (34, 2026435), (85, 810574), (170, 405287)]