189172225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{6311}}^1$

素因数の和:6441

約数の個数: 24

約数和(自身を含む): 258287040

約数和(自身を除く): 69114815

約数列:

[1, 5, 11, 25, 55, 109, 275, 545, 1199, 2725, 5995, 6311, 29975, 31555, 69421, 157775, 347105, 687899, 1735525, 3439495, 7566889, 17197475, 37834445, 189172225]

約数ペア:

[(1, 189172225), (5, 37834445), (11, 17197475), (25, 7566889), (55, 3439495), (109, 1735525), (275, 687899), (545, 347105), (1199, 157775), (2725, 69421), (5995, 31555), (6311, 29975)]