28889256

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 86002560

約数和(自身を除く): 57113304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 41, 44, 51, 66, 68, 82, 88, 102, 123, 132, 136, 157, 164, 187, 204, 246, 264, 314, 328, 374, 408, 451, 471, 492, 561, 628, 697, 748, 902, 942, 984, 1122, 1256, 1353, 1394, 1496, 1727, 1804, 1884, 2091, 2244, 2669, 2706, 2788, 3454, 3608, 3768, 4182, 4488, 5181, 5338, 5412, 5576, 6437, 6908, 7667, 8007, 8364, 10362, 10676, 10824, 12874, 13816, 15334, 16014, 16728, 19311, 20724, 21352, 23001, 25748, 29359, 30668, 32028, 38622, 41448, 46002, 51496, 58718, 61336, 64056, 70807, 77244, 88077, 92004, 109429, 117436, 141614, 154488, 176154, 184008, 212421, 218858, 234872, 283228, 328287, 352308, 424842, 437716, 566456, 656574, 704616, 849684, 875432, 1203719, 1313148, 1699368, 2407438, 2626296, 3611157, 4814876, 7222314, 9629752, 14444628, 28889256]

約数ペア:

[(1, 28889256), (2, 14444628), (3, 9629752), (4, 7222314), (6, 4814876), (8, 3611157), (11, 2626296), (12, 2407438), (17, 1699368), (22, 1313148), (24, 1203719), (33, 875432), (34, 849684), (41, 704616), (44, 656574), (51, 566456), (66, 437716), (68, 424842), (82, 352308), (88, 328287), (102, 283228), (123, 234872), (132, 218858), (136, 212421), (157, 184008), (164, 176154), (187, 154488), (204, 141614), (246, 117436), (264, 109429), (314, 92004), (328, 88077), (374, 77244), (408, 70807), (451, 64056), (471, 61336), (492, 58718), (561, 51496), (628, 46002), (697, 41448), (748, 38622), (902, 32028), (942, 30668), (984, 29359), (1122, 25748), (1256, 23001), (1353, 21352), (1394, 20724), (1496, 19311), (1727, 16728), (1804, 16014), (1884, 15334), (2091, 13816), (2244, 12874), (2669, 10824), (2706, 10676), (2788, 10362), (3454, 8364), (3608, 8007), (3768, 7667), (4182, 6908), (4488, 6437), (5181, 5576), (5338, 5412)]