128620002

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{827}}^1$

素因数の和:892

約数の個数: 72

約数和(自身を含む): 313192656

約数和(自身を除く): 184572654

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 483, 529, 827, 966, 1058, 1127, 1587, 1654, 2254, 2481, 3174, 3381, 3703, 4962, 5789, 6762, 7406, 11109, 11578, 17367, 19021, 22218, 25921, 34734, 38042, 40523, 51842, 57063, 77763, 81046, 114126, 121569, 133147, 155526, 243138, 266294, 399441, 437483, 798882, 874966, 932029, 1312449, 1864058, 2624898, 2796087, 3062381, 5592174, 6124762, 9187143, 18374286, 21436667, 42873334, 64310001, 128620002]

約数ペア:

[(1, 128620002), (2, 64310001), (3, 42873334), (6, 21436667), (7, 18374286), (14, 9187143), (21, 6124762), (23, 5592174), (42, 3062381), (46, 2796087), (49, 2624898), (69, 1864058), (98, 1312449), (138, 932029), (147, 874966), (161, 798882), (294, 437483), (322, 399441), (483, 266294), (529, 243138), (827, 155526), (966, 133147), (1058, 121569), (1127, 114126), (1587, 81046), (1654, 77763), (2254, 57063), (2481, 51842), (3174, 40523), (3381, 38042), (3703, 34734), (4962, 25921), (5789, 22218), (6762, 19021), (7406, 17367), (11109, 11578)]