78538385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{2971}}^1$

素因数の和:3304

約数の個数: 16

約数和(自身を含む): 100144512

約数和(自身を除く): 21606127

約数列:

[1, 5, 17, 85, 311, 1555, 2971, 5287, 14855, 26435, 50507, 252535, 923981, 4619905, 15707677, 78538385]

約数ペア:

[(1, 78538385), (5, 15707677), (17, 4619905), (85, 923981), (311, 252535), (1555, 50507), (2971, 26435), (5287, 14855)]