1285679928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 3545579520

約数和(自身を除く): 2259899592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 127, 142, 156, 213, 254, 284, 312, 381, 426, 457, 508, 568, 762, 852, 914, 923, 1016, 1371, 1524, 1651, 1704, 1828, 1846, 2742, 2769, 3048, 3302, 3656, 3692, 4953, 5484, 5538, 5941, 6604, 7384, 9017, 9906, 10968, 11076, 11882, 13208, 17823, 18034, 19812, 22152, 23764, 27051, 32447, 35646, 36068, 39624, 47528, 54102, 58039, 64894, 71292, 72136, 97341, 108204, 116078, 117221, 129788, 142584, 174117, 194682, 216408, 232156, 234442, 259576, 348234, 351663, 389364, 421811, 464312, 468884, 696468, 703326, 754507, 778728, 843622, 937768, 1265433, 1392936, 1406652, 1509014, 1687244, 2263521, 2530866, 2813304, 3018028, 3374488, 4120769, 4527042, 5061732, 6036056, 8241538, 9054084, 10123464, 12362307, 16483076, 18108168, 24724614, 32966152, 49449228, 53569997, 98898456, 107139994, 160709991, 214279988, 321419982, 428559976, 642839964, 1285679928]

約数ペア:

[(1, 1285679928), (2, 642839964), (3, 428559976), (4, 321419982), (6, 214279988), (8, 160709991), (12, 107139994), (13, 98898456), (24, 53569997), (26, 49449228), (39, 32966152), (52, 24724614), (71, 18108168), (78, 16483076), (104, 12362307), (127, 10123464), (142, 9054084), (156, 8241538), (213, 6036056), (254, 5061732), (284, 4527042), (312, 4120769), (381, 3374488), (426, 3018028), (457, 2813304), (508, 2530866), (568, 2263521), (762, 1687244), (852, 1509014), (914, 1406652), (923, 1392936), (1016, 1265433), (1371, 937768), (1524, 843622), (1651, 778728), (1704, 754507), (1828, 703326), (1846, 696468), (2742, 468884), (2769, 464312), (3048, 421811), (3302, 389364), (3656, 351663), (3692, 348234), (4953, 259576), (5484, 234442), (5538, 232156), (5941, 216408), (6604, 194682), (7384, 174117), (9017, 142584), (9906, 129788), (10968, 117221), (11076, 116078), (11882, 108204), (13208, 97341), (17823, 72136), (18034, 71292), (19812, 64894), (22152, 58039), (23764, 54102), (27051, 47528), (32447, 39624), (35646, 36068)]