25215212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2909}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 48399120

約数和(自身を除く): 23183908

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 2909, 4334, 5818, 8668, 11636, 31999, 63998, 127996, 573073, 1146146, 2292292, 6303803, 12607606, 25215212]

約数ペア:

[(1, 25215212), (2, 12607606), (4, 6303803), (11, 2292292), (22, 1146146), (44, 573073), (197, 127996), (394, 63998), (788, 31999), (2167, 11636), (2909, 8668), (4334, 5818)]