812872225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{14009}}^1$

素因数の和:14241

約数の個数: 24

約数和(自身を含む): 1104884640

約数和(自身を除く): 292012415

約数列:

[1, 5, 11, 25, 55, 211, 275, 1055, 2321, 5275, 11605, 14009, 58025, 70045, 154099, 350225, 770495, 2955899, 3852475, 14779495, 32514889, 73897475, 162574445, 812872225]

約数ペア:

[(1, 812872225), (5, 162574445), (11, 73897475), (25, 32514889), (55, 14779495), (211, 3852475), (275, 2955899), (1055, 770495), (2321, 350225), (5275, 154099), (11605, 70045), (14009, 58025)]