81370198

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23531}}^1$

素因数の和:23572

約数の個数: 32

約数和(自身を含む): 158135040

約数和(自身を除く): 76764842

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 23531, 47062, 164717, 305903, 329434, 447089, 611806, 894178, 2141321, 3129623, 4282642, 5812157, 6259246, 11624314, 40685099, 81370198]

約数ペア:

[(1, 81370198), (2, 40685099), (7, 11624314), (13, 6259246), (14, 5812157), (19, 4282642), (26, 3129623), (38, 2141321), (91, 894178), (133, 611806), (182, 447089), (247, 329434), (266, 305903), (494, 164717), (1729, 47062), (3458, 23531)]