1991577336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{16217}}^1$

素因数の和:16293

約数の個数: 128

約数和(自身を含む): 6165434880

約数和(自身を除く): 4173857544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 43, 51, 56, 68, 84, 86, 102, 119, 129, 136, 168, 172, 204, 238, 258, 301, 344, 357, 408, 476, 516, 602, 714, 731, 903, 952, 1032, 1204, 1428, 1462, 1806, 2193, 2408, 2856, 2924, 3612, 4386, 5117, 5848, 7224, 8772, 10234, 15351, 16217, 17544, 20468, 30702, 32434, 40936, 48651, 61404, 64868, 97302, 113519, 122808, 129736, 194604, 227038, 275689, 340557, 389208, 454076, 551378, 681114, 697331, 827067, 908152, 1102756, 1362228, 1394662, 1654134, 1929823, 2091993, 2205512, 2724456, 2789324, 3308268, 3859646, 4183986, 4881317, 5578648, 5789469, 6616536, 7719292, 8367972, 9762634, 11578938, 11854627, 14643951, 15438584, 16735944, 19525268, 23157876, 23709254, 29287902, 35563881, 39050536, 46315752, 47418508, 58575804, 71127762, 82982389, 94837016, 117151608, 142255524, 165964778, 248947167, 284511048, 331929556, 497894334, 663859112, 995788668, 1991577336]

約数ペア:

[(1, 1991577336), (2, 995788668), (3, 663859112), (4, 497894334), (6, 331929556), (7, 284511048), (8, 248947167), (12, 165964778), (14, 142255524), (17, 117151608), (21, 94837016), (24, 82982389), (28, 71127762), (34, 58575804), (42, 47418508), (43, 46315752), (51, 39050536), (56, 35563881), (68, 29287902), (84, 23709254), (86, 23157876), (102, 19525268), (119, 16735944), (129, 15438584), (136, 14643951), (168, 11854627), (172, 11578938), (204, 9762634), (238, 8367972), (258, 7719292), (301, 6616536), (344, 5789469), (357, 5578648), (408, 4881317), (476, 4183986), (516, 3859646), (602, 3308268), (714, 2789324), (731, 2724456), (903, 2205512), (952, 2091993), (1032, 1929823), (1204, 1654134), (1428, 1394662), (1462, 1362228), (1806, 1102756), (2193, 908152), (2408, 827067), (2856, 697331), (2924, 681114), (3612, 551378), (4386, 454076), (5117, 389208), (5848, 340557), (7224, 275689), (8772, 227038), (10234, 194604), (15351, 129736), (16217, 122808), (17544, 113519), (20468, 97302), (30702, 64868), (32434, 61404), (40936, 48651)]