28649556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 108

約数和(自身を含む): 83331612

約数和(自身を除く): 54682056

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 169, 204, 221, 234, 277, 306, 338, 442, 468, 507, 554, 612, 663, 676, 831, 884, 1014, 1108, 1326, 1521, 1662, 1989, 2028, 2493, 2652, 2873, 3042, 3324, 3601, 3978, 4709, 4986, 5746, 6084, 7202, 7956, 8619, 9418, 9972, 10803, 11492, 14127, 14404, 17238, 18836, 21606, 25857, 28254, 32409, 34476, 42381, 43212, 46813, 51714, 56508, 61217, 64818, 84762, 93626, 103428, 122434, 129636, 140439, 169524, 183651, 187252, 244868, 280878, 367302, 421317, 550953, 561756, 734604, 795821, 842634, 1101906, 1591642, 1685268, 2203812, 2387463, 3183284, 4774926, 7162389, 9549852, 14324778, 28649556]

約数ペア:

[(1, 28649556), (2, 14324778), (3, 9549852), (4, 7162389), (6, 4774926), (9, 3183284), (12, 2387463), (13, 2203812), (17, 1685268), (18, 1591642), (26, 1101906), (34, 842634), (36, 795821), (39, 734604), (51, 561756), (52, 550953), (68, 421317), (78, 367302), (102, 280878), (117, 244868), (153, 187252), (156, 183651), (169, 169524), (204, 140439), (221, 129636), (234, 122434), (277, 103428), (306, 93626), (338, 84762), (442, 64818), (468, 61217), (507, 56508), (554, 51714), (612, 46813), (663, 43212), (676, 42381), (831, 34476), (884, 32409), (1014, 28254), (1108, 25857), (1326, 21606), (1521, 18836), (1662, 17238), (1989, 14404), (2028, 14127), (2493, 11492), (2652, 10803), (2873, 9972), (3042, 9418), (3324, 8619), (3601, 7956), (3978, 7202), (4709, 6084), (4986, 5746)]