68919190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{405407}}^1$

素因数の和:405431

約数の個数: 16

約数和(自身を含む): 131352192

約数和(自身を除く): 62433002

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 405407, 810814, 2027035, 4054070, 6891919, 13783838, 34459595, 68919190]

約数ペア:

[(1, 68919190), (2, 34459595), (5, 13783838), (10, 6891919), (17, 4054070), (34, 2027035), (85, 810814), (170, 405407)]