28415166

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 65415168

約数和(自身を除く): 37000002

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 47, 69, 78, 94, 138, 141, 282, 299, 337, 598, 611, 674, 897, 1011, 1081, 1222, 1794, 1833, 2022, 2162, 3243, 3666, 4381, 6486, 7751, 8762, 13143, 14053, 15502, 15839, 23253, 26286, 28106, 31678, 42159, 46506, 47517, 84318, 95034, 100763, 201526, 205907, 302289, 364297, 411814, 604578, 617721, 728594, 1092891, 1235442, 2185782, 4735861, 9471722, 14207583, 28415166]

約数ペア:

[(1, 28415166), (2, 14207583), (3, 9471722), (6, 4735861), (13, 2185782), (23, 1235442), (26, 1092891), (39, 728594), (46, 617721), (47, 604578), (69, 411814), (78, 364297), (94, 302289), (138, 205907), (141, 201526), (282, 100763), (299, 95034), (337, 84318), (598, 47517), (611, 46506), (674, 42159), (897, 31678), (1011, 28106), (1081, 26286), (1222, 23253), (1794, 15839), (1833, 15502), (2022, 14053), (2162, 13143), (3243, 8762), (3666, 7751), (4381, 6486)]