30931355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 46080384

約数和(自身を除く): 15149029

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 433, 455, 785, 1099, 2041, 2165, 3031, 5495, 5629, 10205, 14287, 15155, 28145, 39403, 67981, 71435, 197015, 339905, 475867, 883753, 2379335, 4418765, 6186271, 30931355]

約数ペア:

[(1, 30931355), (5, 6186271), (7, 4418765), (13, 2379335), (35, 883753), (65, 475867), (91, 339905), (157, 197015), (433, 71435), (455, 67981), (785, 39403), (1099, 28145), (2041, 15155), (2165, 14287), (3031, 10205), (5495, 5629)]