171772675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1039}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 226324800

約数和(自身を除く): 54552125

約数列:

[1, 5, 17, 25, 85, 389, 425, 1039, 1945, 5195, 6613, 9725, 17663, 25975, 33065, 88315, 165325, 404171, 441575, 2020855, 6870907, 10104275, 34354535, 171772675]

約数ペア:

[(1, 171772675), (5, 34354535), (17, 10104275), (25, 6870907), (85, 2020855), (389, 441575), (425, 404171), (1039, 165325), (1945, 88315), (5195, 33065), (6613, 25975), (9725, 17663)]