221174785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{439}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 299819520

約数和(自身を除く): 78644735

約数列:

[1, 5, 13, 23, 65, 115, 299, 337, 439, 1495, 1685, 2195, 4381, 5707, 7751, 10097, 21905, 28535, 38755, 50485, 100763, 131261, 147943, 503815, 656305, 739715, 1923259, 3402689, 9616295, 17013445, 44234957, 221174785]

約数ペア:

[(1, 221174785), (5, 44234957), (13, 17013445), (23, 9616295), (65, 3402689), (115, 1923259), (299, 739715), (337, 656305), (439, 503815), (1495, 147943), (1685, 131261), (2195, 100763), (4381, 50485), (5707, 38755), (7751, 28535), (10097, 21905)]