518097385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1\times {\mathrm{1259}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 675138240

約数和(自身を除く): 157040855

約数列:

[1, 5, 13, 65, 169, 487, 845, 1259, 2435, 6295, 6331, 16367, 31655, 81835, 82303, 212771, 411515, 613133, 1063855, 3065665, 7970729, 39853645, 103619477, 518097385]

約数ペア:

[(1, 518097385), (5, 103619477), (13, 39853645), (65, 7970729), (169, 3065665), (487, 1063855), (845, 613133), (1259, 411515), (2435, 212771), (6295, 82303), (6331, 81835), (16367, 31655)]