28092155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 14848645

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1885, 2129, 2639, 10645, 13195, 14903, 27677, 61741, 74515, 138385, 193739, 308705, 432187, 802633, 968695, 2160935, 4013165, 5618431, 28092155]

約数ペア:

[(1, 28092155), (5, 5618431), (7, 4013165), (13, 2160935), (29, 968695), (35, 802633), (65, 432187), (91, 308705), (145, 193739), (203, 138385), (377, 74515), (455, 61741), (1015, 27677), (1885, 14903), (2129, 13195), (2639, 10645)]