648994528

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 1654152192

約数和(自身を除く): 1005157664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 71, 73, 86, 91, 104, 112, 142, 146, 172, 182, 208, 224, 284, 292, 301, 344, 364, 416, 497, 511, 559, 568, 584, 602, 688, 728, 923, 949, 994, 1022, 1118, 1136, 1168, 1204, 1376, 1456, 1846, 1898, 1988, 2044, 2236, 2272, 2336, 2408, 2912, 3053, 3139, 3692, 3796, 3913, 3976, 4088, 4472, 4816, 5183, 6106, 6278, 6461, 6643, 7384, 7592, 7826, 7952, 8176, 8944, 9632, 10366, 12212, 12556, 12922, 13286, 14768, 15184, 15652, 15904, 16352, 17888, 20732, 21371, 21973, 24424, 25112, 25844, 26572, 29536, 30368, 31304, 36281, 39689, 40807, 41464, 42742, 43946, 48848, 50224, 51688, 53144, 62608, 67379, 72562, 79378, 81614, 82928, 85484, 87892, 97696, 100448, 103376, 106288, 125216, 134758, 145124, 158756, 163228, 165856, 170968, 175784, 206752, 212576, 222869, 269516, 277823, 285649, 290248, 317512, 326456, 341936, 351568, 445738, 471653, 539032, 555646, 571298, 580496, 635024, 652912, 683872, 703136, 891476, 943306, 1078064, 1111292, 1142596, 1160992, 1270048, 1305824, 1560083, 1782952, 1886612, 2156128, 2222584, 2285192, 2897297, 3120166, 3565904, 3773224, 4445168, 4570384, 5794594, 6240332, 7131808, 7546448, 8890336, 9140768, 11589188, 12480664, 15092896, 20281079, 23178376, 24961328, 40562158, 46356752, 49922656, 81124316, 92713504, 162248632, 324497264, 648994528]

約数ペア:

[(1, 648994528), (2, 324497264), (4, 162248632), (7, 92713504), (8, 81124316), (13, 49922656), (14, 46356752), (16, 40562158), (26, 24961328), (28, 23178376), (32, 20281079), (43, 15092896), (52, 12480664), (56, 11589188), (71, 9140768), (73, 8890336), (86, 7546448), (91, 7131808), (104, 6240332), (112, 5794594), (142, 4570384), (146, 4445168), (172, 3773224), (182, 3565904), (208, 3120166), (224, 2897297), (284, 2285192), (292, 2222584), (301, 2156128), (344, 1886612), (364, 1782952), (416, 1560083), (497, 1305824), (511, 1270048), (559, 1160992), (568, 1142596), (584, 1111292), (602, 1078064), (688, 943306), (728, 891476), (923, 703136), (949, 683872), (994, 652912), (1022, 635024), (1118, 580496), (1136, 571298), (1168, 555646), (1204, 539032), (1376, 471653), (1456, 445738), (1846, 351568), (1898, 341936), (1988, 326456), (2044, 317512), (2236, 290248), (2272, 285649), (2336, 277823), (2408, 269516), (2912, 222869), (3053, 212576), (3139, 206752), (3692, 175784), (3796, 170968), (3913, 165856), (3976, 163228), (4088, 158756), (4472, 145124), (4816, 134758), (5183, 125216), (6106, 106288), (6278, 103376), (6461, 100448), (6643, 97696), (7384, 87892), (7592, 85484), (7826, 82928), (7952, 81614), (8176, 79378), (8944, 72562), (9632, 67379), (10366, 62608), (12212, 53144), (12556, 51688), (12922, 50224), (13286, 48848), (14768, 43946), (15184, 42742), (15652, 41464), (15904, 40807), (16352, 39689), (17888, 36281), (20732, 31304), (21371, 30368), (21973, 29536), (24424, 26572), (25112, 25844)]