79480205

素因数分解:

$5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{809}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 111362040

約数和(自身を除く): 31881835

約数列:

[1, 5, 7, 35, 49, 245, 401, 809, 2005, 2807, 4045, 5663, 14035, 19649, 28315, 39641, 98245, 198205, 324409, 1622045, 2270863, 11354315, 15896041, 79480205]

約数ペア:

[(1, 79480205), (5, 15896041), (7, 11354315), (35, 2270863), (49, 1622045), (245, 324409), (401, 198205), (809, 98245), (2005, 39641), (2807, 28315), (4045, 19649), (5663, 14035)]