690798145

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1\times {\mathrm{2477}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 885508344

約数和(自身を除く): 194710199

約数列:

[1, 5, 17, 85, 193, 289, 965, 1445, 2477, 3281, 12385, 16405, 42109, 55777, 210545, 278885, 478061, 715853, 2390305, 3579265, 8127037, 40635185, 138159629, 690798145]

約数ペア:

[(1, 690798145), (5, 138159629), (17, 40635185), (85, 8127037), (193, 3579265), (289, 2390305), (965, 715853), (1445, 478061), (2477, 278885), (3281, 210545), (12385, 55777), (16405, 42109)]