28751004

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 78650880

約数和(自身を除く): 49899876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 43, 54, 82, 86, 108, 123, 129, 151, 164, 172, 246, 258, 302, 369, 387, 453, 492, 516, 604, 738, 774, 906, 1107, 1161, 1359, 1476, 1548, 1763, 1812, 2214, 2322, 2718, 3526, 4077, 4428, 4644, 5289, 5436, 6191, 6493, 7052, 8154, 10578, 12382, 12986, 15867, 16308, 18573, 19479, 21156, 24764, 25972, 31734, 37146, 38958, 47601, 55719, 58437, 63468, 74292, 77916, 95202, 111438, 116874, 167157, 175311, 190404, 222876, 233748, 266213, 334314, 350622, 532426, 668628, 701244, 798639, 1064852, 1597278, 2395917, 3194556, 4791834, 7187751, 9583668, 14375502, 28751004]

約数ペア:

[(1, 28751004), (2, 14375502), (3, 9583668), (4, 7187751), (6, 4791834), (9, 3194556), (12, 2395917), (18, 1597278), (27, 1064852), (36, 798639), (41, 701244), (43, 668628), (54, 532426), (82, 350622), (86, 334314), (108, 266213), (123, 233748), (129, 222876), (151, 190404), (164, 175311), (172, 167157), (246, 116874), (258, 111438), (302, 95202), (369, 77916), (387, 74292), (453, 63468), (492, 58437), (516, 55719), (604, 47601), (738, 38958), (774, 37146), (906, 31734), (1107, 25972), (1161, 24764), (1359, 21156), (1476, 19479), (1548, 18573), (1763, 16308), (1812, 15867), (2214, 12986), (2322, 12382), (2718, 10578), (3526, 8154), (4077, 7052), (4428, 6493), (4644, 6191), (5289, 5436)]