78878722

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{2141}}^1$

素因数の和:2278

約数の個数: 24

約数和(自身を含む): 129355380

約数和(自身を除く): 50476658

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 1417, 2141, 2834, 4282, 18421, 27833, 36842, 55666, 233369, 361829, 466738, 723658, 3033797, 6067594, 39439361, 78878722]

約数ペア:

[(1, 78878722), (2, 39439361), (13, 6067594), (26, 3033797), (109, 723658), (169, 466738), (218, 361829), (338, 233369), (1417, 55666), (2141, 36842), (2834, 27833), (4282, 18421)]