161968986

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2663}}^1$

素因数の和:2811

約数の個数: 48

約数和(自身を含む): 365713920

約数和(自身を除く): 203744934

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 109, 186, 218, 279, 327, 558, 654, 981, 1962, 2663, 3379, 5326, 6758, 7989, 10137, 15978, 20274, 23967, 30411, 47934, 60822, 82553, 165106, 247659, 290267, 495318, 580534, 742977, 870801, 1485954, 1741602, 2612403, 5224806, 8998277, 17996554, 26994831, 53989662, 80984493, 161968986]

約数ペア:

[(1, 161968986), (2, 80984493), (3, 53989662), (6, 26994831), (9, 17996554), (18, 8998277), (31, 5224806), (62, 2612403), (93, 1741602), (109, 1485954), (186, 870801), (218, 742977), (279, 580534), (327, 495318), (558, 290267), (654, 247659), (981, 165106), (1962, 82553), (2663, 60822), (3379, 47934), (5326, 30411), (6758, 23967), (7989, 20274), (10137, 15978)]