28970478

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 71884800

約数和(自身を除く): 42914322

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 29, 38, 46, 57, 58, 69, 87, 114, 127, 138, 171, 174, 207, 254, 261, 342, 381, 414, 437, 522, 551, 667, 762, 874, 1102, 1143, 1311, 1334, 1653, 2001, 2286, 2413, 2622, 2921, 3306, 3683, 3933, 4002, 4826, 4959, 5842, 6003, 7239, 7366, 7866, 8763, 9918, 11049, 12006, 12673, 14478, 17526, 21717, 22098, 25346, 26289, 33147, 38019, 43434, 52578, 55499, 66294, 69977, 76038, 84709, 110998, 114057, 139954, 166497, 169418, 209931, 228114, 254127, 332994, 419862, 499491, 508254, 629793, 762381, 998982, 1259586, 1524762, 1609471, 3218942, 4828413, 9656826, 14485239, 28970478]

約数ペア:

[(1, 28970478), (2, 14485239), (3, 9656826), (6, 4828413), (9, 3218942), (18, 1609471), (19, 1524762), (23, 1259586), (29, 998982), (38, 762381), (46, 629793), (57, 508254), (58, 499491), (69, 419862), (87, 332994), (114, 254127), (127, 228114), (138, 209931), (171, 169418), (174, 166497), (207, 139954), (254, 114057), (261, 110998), (342, 84709), (381, 76038), (414, 69977), (437, 66294), (522, 55499), (551, 52578), (667, 43434), (762, 38019), (874, 33147), (1102, 26289), (1143, 25346), (1311, 22098), (1334, 21717), (1653, 17526), (2001, 14478), (2286, 12673), (2413, 12006), (2622, 11049), (2921, 9918), (3306, 8763), (3683, 7866), (3933, 7366), (4002, 7239), (4826, 6003), (4959, 5842)]