289255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 16

約数和(自身を含む): 381024

約数和(自身を除く): 91769

約数列:

[1, 5, 17, 41, 83, 85, 205, 415, 697, 1411, 3403, 3485, 7055, 17015, 57851, 289255]

約数ペア:

[(1, 289255), (5, 57851), (17, 17015), (41, 7055), (83, 3485), (85, 3403), (205, 1411), (415, 697)]