129411984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 383975424

約数和(自身を除く): 254563440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 71, 78, 92, 104, 127, 138, 142, 156, 184, 208, 213, 254, 276, 284, 299, 312, 368, 381, 426, 508, 552, 568, 598, 624, 762, 852, 897, 923, 1016, 1104, 1136, 1196, 1524, 1633, 1651, 1704, 1794, 1846, 2032, 2392, 2769, 2921, 3048, 3266, 3302, 3408, 3588, 3692, 4784, 4899, 4953, 5538, 5842, 6096, 6532, 6604, 7176, 7384, 8763, 9017, 9798, 9906, 11076, 11684, 13064, 13208, 14352, 14768, 17526, 18034, 19596, 19812, 21229, 22152, 23368, 26128, 26416, 27051, 35052, 36068, 37973, 39192, 39624, 42458, 44304, 46736, 54102, 63687, 70104, 72136, 75946, 78384, 79248, 84916, 108204, 113919, 117221, 127374, 140208, 144272, 151892, 169832, 207391, 216408, 227838, 234442, 254748, 303784, 339664, 351663, 414782, 432816, 455676, 468884, 509496, 607568, 622173, 703326, 829564, 911352, 937768, 1018992, 1244346, 1406652, 1659128, 1822704, 1875536, 2488692, 2696083, 2813304, 3318256, 4977384, 5392166, 5626608, 8088249, 9954768, 10784332, 16176498, 21568664, 32352996, 43137328, 64705992, 129411984]

約数ペア:

[(1, 129411984), (2, 64705992), (3, 43137328), (4, 32352996), (6, 21568664), (8, 16176498), (12, 10784332), (13, 9954768), (16, 8088249), (23, 5626608), (24, 5392166), (26, 4977384), (39, 3318256), (46, 2813304), (48, 2696083), (52, 2488692), (69, 1875536), (71, 1822704), (78, 1659128), (92, 1406652), (104, 1244346), (127, 1018992), (138, 937768), (142, 911352), (156, 829564), (184, 703326), (208, 622173), (213, 607568), (254, 509496), (276, 468884), (284, 455676), (299, 432816), (312, 414782), (368, 351663), (381, 339664), (426, 303784), (508, 254748), (552, 234442), (568, 227838), (598, 216408), (624, 207391), (762, 169832), (852, 151892), (897, 144272), (923, 140208), (1016, 127374), (1104, 117221), (1136, 113919), (1196, 108204), (1524, 84916), (1633, 79248), (1651, 78384), (1704, 75946), (1794, 72136), (1846, 70104), (2032, 63687), (2392, 54102), (2769, 46736), (2921, 44304), (3048, 42458), (3266, 39624), (3302, 39192), (3408, 37973), (3588, 36068), (3692, 35052), (4784, 27051), (4899, 26416), (4953, 26128), (5538, 23368), (5842, 22152), (6096, 21229), (6532, 19812), (6604, 19596), (7176, 18034), (7384, 17526), (8763, 14768), (9017, 14352), (9798, 13208), (9906, 13064), (11076, 11684)]