28765548

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:756

約数の個数: 108

約数和(自身を含む): 88386480

約数和(自身を除く): 59620932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 483, 588, 644, 709, 828, 882, 966, 1127, 1418, 1449, 1764, 1932, 2127, 2254, 2836, 2898, 3381, 4254, 4508, 4963, 5796, 6381, 6762, 8508, 9926, 10143, 12762, 13524, 14889, 16307, 19852, 20286, 25524, 29778, 32614, 34741, 40572, 44667, 48921, 59556, 65228, 69482, 89334, 97842, 104223, 114149, 138964, 146763, 178668, 195684, 208446, 228298, 293526, 312669, 342447, 416892, 456596, 587052, 625338, 684894, 799043, 1027341, 1250676, 1369788, 1598086, 2054682, 2397129, 3196172, 4109364, 4794258, 7191387, 9588516, 14382774, 28765548]

約数ペア:

[(1, 28765548), (2, 14382774), (3, 9588516), (4, 7191387), (6, 4794258), (7, 4109364), (9, 3196172), (12, 2397129), (14, 2054682), (18, 1598086), (21, 1369788), (23, 1250676), (28, 1027341), (36, 799043), (42, 684894), (46, 625338), (49, 587052), (63, 456596), (69, 416892), (84, 342447), (92, 312669), (98, 293526), (126, 228298), (138, 208446), (147, 195684), (161, 178668), (196, 146763), (207, 138964), (252, 114149), (276, 104223), (294, 97842), (322, 89334), (414, 69482), (441, 65228), (483, 59556), (588, 48921), (644, 44667), (709, 40572), (828, 34741), (882, 32614), (966, 29778), (1127, 25524), (1418, 20286), (1449, 19852), (1764, 16307), (1932, 14889), (2127, 13524), (2254, 12762), (2836, 10143), (2898, 9926), (3381, 8508), (4254, 6762), (4508, 6381), (4963, 5796)]