12785131009

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{643}}^1\times {\mathrm{4889}}^1$

素因数の和:5629

約数の個数: 24

約数和(自身を含む): 15078178080

約数和(自身を除く): 2293047071

約数列:

[1, 7, 49, 83, 581, 643, 4067, 4501, 4889, 31507, 34223, 53369, 239561, 373583, 405787, 2615081, 2840509, 3143627, 19883563, 22005389, 154037723, 260921041, 1826447287, 12785131009]

約数ペア:

[(1, 12785131009), (7, 1826447287), (49, 260921041), (83, 154037723), (581, 22005389), (643, 19883563), (4067, 3143627), (4501, 2840509), (4889, 2615081), (31507, 405787), (34223, 373583), (53369, 239561)]