81967188

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 194479040

約数和(自身を除く): 112511852

約数列:

[1, 2, 3, 4, 6, 12, 139, 157, 278, 313, 314, 417, 471, 556, 626, 628, 834, 939, 942, 1252, 1668, 1878, 1884, 3756, 21823, 43507, 43646, 49141, 65469, 87014, 87292, 98282, 130521, 130938, 147423, 174028, 196564, 261042, 261876, 294846, 522084, 589692, 6830599, 13661198, 20491797, 27322396, 40983594, 81967188]

約数ペア:

[(1, 81967188), (2, 40983594), (3, 27322396), (4, 20491797), (6, 13661198), (12, 6830599), (139, 589692), (157, 522084), (278, 294846), (313, 261876), (314, 261042), (417, 196564), (471, 174028), (556, 147423), (626, 130938), (628, 130521), (834, 98282), (939, 87292), (942, 87014), (1252, 65469), (1668, 49141), (1878, 43646), (1884, 43507), (3756, 21823)]