28971264

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 93598848

約数和(自身を除く): 64627584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 128, 136, 168, 192, 204, 224, 238, 256, 272, 317, 336, 357, 384, 408, 448, 476, 544, 634, 672, 714, 768, 816, 896, 951, 952, 1088, 1268, 1344, 1428, 1632, 1792, 1902, 1904, 2176, 2219, 2536, 2688, 2856, 3264, 3804, 3808, 4352, 4438, 5072, 5376, 5389, 5712, 6528, 6657, 7608, 7616, 8876, 10144, 10778, 11424, 13056, 13314, 15216, 15232, 16167, 17752, 20288, 21556, 22848, 26628, 30432, 30464, 32334, 35504, 37723, 40576, 43112, 45696, 53256, 60864, 64668, 71008, 75446, 81152, 86224, 91392, 106512, 113169, 121728, 129336, 142016, 150892, 172448, 213024, 226338, 243456, 258672, 284032, 301784, 344896, 426048, 452676, 517344, 568064, 603568, 689792, 852096, 905352, 1034688, 1207136, 1379584, 1704192, 1810704, 2069376, 2414272, 3621408, 4138752, 4828544, 7242816, 9657088, 14485632, 28971264]

約数ペア:

[(1, 28971264), (2, 14485632), (3, 9657088), (4, 7242816), (6, 4828544), (7, 4138752), (8, 3621408), (12, 2414272), (14, 2069376), (16, 1810704), (17, 1704192), (21, 1379584), (24, 1207136), (28, 1034688), (32, 905352), (34, 852096), (42, 689792), (48, 603568), (51, 568064), (56, 517344), (64, 452676), (68, 426048), (84, 344896), (96, 301784), (102, 284032), (112, 258672), (119, 243456), (128, 226338), (136, 213024), (168, 172448), (192, 150892), (204, 142016), (224, 129336), (238, 121728), (256, 113169), (272, 106512), (317, 91392), (336, 86224), (357, 81152), (384, 75446), (408, 71008), (448, 64668), (476, 60864), (544, 53256), (634, 45696), (672, 43112), (714, 40576), (768, 37723), (816, 35504), (896, 32334), (951, 30464), (952, 30432), (1088, 26628), (1268, 22848), (1344, 21556), (1428, 20288), (1632, 17752), (1792, 16167), (1902, 15232), (1904, 15216), (2176, 13314), (2219, 13056), (2536, 11424), (2688, 10778), (2856, 10144), (3264, 8876), (3804, 7616), (3808, 7608), (4352, 6657), (4438, 6528), (5072, 5712), (5376, 5389)]