28456428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 93929472

約数和(自身を除く): 65473044

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 23, 26, 28, 33, 39, 42, 44, 46, 52, 66, 69, 77, 78, 84, 91, 92, 103, 132, 138, 143, 154, 156, 161, 182, 206, 231, 253, 273, 276, 286, 299, 308, 309, 322, 364, 412, 429, 462, 483, 506, 546, 572, 598, 618, 644, 721, 759, 858, 897, 924, 966, 1001, 1012, 1092, 1133, 1196, 1236, 1339, 1442, 1518, 1716, 1771, 1794, 1932, 2002, 2093, 2163, 2266, 2369, 2678, 2884, 3003, 3036, 3289, 3399, 3542, 3588, 4004, 4017, 4186, 4326, 4532, 4738, 5313, 5356, 6006, 6279, 6578, 6798, 7084, 7107, 7931, 8034, 8372, 8652, 9373, 9476, 9867, 10626, 12012, 12558, 13156, 13596, 14214, 14729, 15862, 16068, 16583, 18746, 19734, 21252, 23023, 23793, 25116, 26059, 28119, 28428, 29458, 30797, 31724, 33166, 37492, 39468, 44187, 46046, 47586, 49749, 52118, 56238, 58916, 61594, 66332, 69069, 78177, 88374, 92092, 92391, 95172, 99498, 103103, 104236, 112476, 123188, 138138, 156354, 176748, 182413, 184782, 198996, 206206, 215579, 276276, 309309, 312708, 338767, 364826, 369564, 412412, 431158, 547239, 618618, 646737, 677534, 729652, 862316, 1016301, 1094478, 1237236, 1293474, 1355068, 2032602, 2188956, 2371369, 2586948, 4065204, 4742738, 7114107, 9485476, 14228214, 28456428]

約数ペア:

[(1, 28456428), (2, 14228214), (3, 9485476), (4, 7114107), (6, 4742738), (7, 4065204), (11, 2586948), (12, 2371369), (13, 2188956), (14, 2032602), (21, 1355068), (22, 1293474), (23, 1237236), (26, 1094478), (28, 1016301), (33, 862316), (39, 729652), (42, 677534), (44, 646737), (46, 618618), (52, 547239), (66, 431158), (69, 412412), (77, 369564), (78, 364826), (84, 338767), (91, 312708), (92, 309309), (103, 276276), (132, 215579), (138, 206206), (143, 198996), (154, 184782), (156, 182413), (161, 176748), (182, 156354), (206, 138138), (231, 123188), (253, 112476), (273, 104236), (276, 103103), (286, 99498), (299, 95172), (308, 92391), (309, 92092), (322, 88374), (364, 78177), (412, 69069), (429, 66332), (462, 61594), (483, 58916), (506, 56238), (546, 52118), (572, 49749), (598, 47586), (618, 46046), (644, 44187), (721, 39468), (759, 37492), (858, 33166), (897, 31724), (924, 30797), (966, 29458), (1001, 28428), (1012, 28119), (1092, 26059), (1133, 25116), (1196, 23793), (1236, 23023), (1339, 21252), (1442, 19734), (1518, 18746), (1716, 16583), (1771, 16068), (1794, 15862), (1932, 14729), (2002, 14214), (2093, 13596), (2163, 13156), (2266, 12558), (2369, 12012), (2678, 10626), (2884, 9867), (3003, 9476), (3036, 9373), (3289, 8652), (3399, 8372), (3542, 8034), (3588, 7931), (4004, 7107), (4017, 7084), (4186, 6798), (4326, 6578), (4532, 6279), (4738, 6006), (5313, 5356)]