128836221969

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{19531}}^1$

素因数の和:19958

約数の個数: 64

約数和(自身を含む): 214978254848

約数和(自身を除く): 86142032879

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 331, 511, 949, 993, 1533, 2317, 2847, 4303, 6643, 6951, 12909, 19531, 19929, 24163, 30121, 58593, 72489, 90363, 136717, 169141, 253903, 314119, 410151, 507423, 761709, 942357, 1425763, 1777321, 2198833, 4277289, 5331963, 6464761, 6596499, 9980341, 18534919, 19394283, 29941023, 45253327, 55604757, 84041893, 129744433, 135759981, 252125679, 389233299, 471927553, 588293251, 1415782659, 1764879753, 3303492871, 6135058189, 9910478613, 18405174567, 42945407323, 128836221969]

約数ペア:

[(1, 128836221969), (3, 42945407323), (7, 18405174567), (13, 9910478613), (21, 6135058189), (39, 3303492871), (73, 1764879753), (91, 1415782659), (219, 588293251), (273, 471927553), (331, 389233299), (511, 252125679), (949, 135759981), (993, 129744433), (1533, 84041893), (2317, 55604757), (2847, 45253327), (4303, 29941023), (6643, 19394283), (6951, 18534919), (12909, 9980341), (19531, 6596499), (19929, 6464761), (24163, 5331963), (30121, 4277289), (58593, 2198833), (72489, 1777321), (90363, 1425763), (136717, 942357), (169141, 761709), (253903, 507423), (314119, 410151)]