68791555

素因数分解:

$5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{4003}}^1$

素因数の和:4506

約数の個数: 16

約数和(自身を含む): 94558464

約数和(自身を除く): 25766909

約数列:

[1, 5, 7, 35, 491, 2455, 3437, 4003, 17185, 20015, 28021, 140105, 1965473, 9827365, 13758311, 68791555]

約数ペア:

[(1, 68791555), (5, 13758311), (7, 9827365), (35, 1965473), (491, 140105), (2455, 28021), (3437, 20015), (4003, 17185)]