28257814

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 47124000

約数和(自身を除く): 18866186

約数列:

[1, 2, 13, 26, 59, 109, 118, 169, 218, 338, 767, 1417, 1534, 2197, 2834, 4394, 6431, 9971, 12862, 18421, 19942, 36842, 83603, 129623, 167206, 239473, 259246, 478946, 1086839, 2173678, 14128907, 28257814]

約数ペア:

[(1, 28257814), (2, 14128907), (13, 2173678), (26, 1086839), (59, 478946), (109, 259246), (118, 239473), (169, 167206), (218, 129623), (338, 83603), (767, 36842), (1417, 19942), (1534, 18421), (2197, 12862), (2834, 9971), (4394, 6431)]