260210279

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 323481600

約数和(自身を除く): 63271321

約数列:

[1, 7, 17, 79, 89, 119, 311, 553, 623, 1343, 1513, 2177, 5287, 7031, 9401, 10591, 24569, 27679, 37009, 49217, 119527, 171983, 193753, 417673, 470543, 836689, 2186641, 2923711, 3293801, 15306487, 37172897, 260210279]

約数ペア:

[(1, 260210279), (7, 37172897), (17, 15306487), (79, 3293801), (89, 2923711), (119, 2186641), (311, 836689), (553, 470543), (623, 417673), (1343, 193753), (1513, 171983), (2177, 119527), (5287, 49217), (7031, 37009), (9401, 27679), (10591, 24569)]