13049435

素因数分解:

$5^1\times 7^4\times {\mathrm{1087}}^1$

素因数の和:1120

約数の個数: 20

約数和(自身を含む): 18284928

約数和(自身を除く): 5235493

約数列:

[1, 5, 7, 35, 49, 245, 343, 1087, 1715, 2401, 5435, 7609, 12005, 38045, 53263, 266315, 372841, 1864205, 2609887, 13049435]

約数ペア:

[(1, 13049435), (5, 2609887), (7, 1864205), (35, 372841), (49, 266315), (245, 53263), (343, 38045), (1087, 12005), (1715, 7609), (2401, 5435)]