257305048

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 686407680

約数和(自身を除く): 429102632

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 23, 26, 28, 44, 46, 52, 56, 77, 88, 91, 92, 104, 121, 127, 143, 154, 161, 182, 184, 242, 253, 254, 286, 299, 308, 322, 364, 484, 506, 508, 572, 598, 616, 644, 728, 847, 889, 968, 1001, 1012, 1016, 1144, 1196, 1288, 1397, 1573, 1651, 1694, 1771, 1778, 2002, 2024, 2093, 2392, 2783, 2794, 2921, 3146, 3289, 3302, 3388, 3542, 3556, 4004, 4186, 5566, 5588, 5842, 6292, 6578, 6604, 6776, 7084, 7112, 8008, 8372, 9779, 11011, 11132, 11176, 11557, 11684, 12584, 13156, 13208, 14168, 15367, 16744, 18161, 19481, 19558, 20447, 22022, 22264, 23023, 23114, 23368, 26312, 30734, 32131, 36179, 36322, 37973, 38962, 39116, 40894, 44044, 46046, 46228, 61468, 64262, 72358, 72644, 75946, 77924, 78232, 81788, 88088, 92092, 92456, 107569, 122936, 127127, 128524, 144716, 145288, 151892, 155848, 163576, 184184, 199771, 215138, 224917, 253253, 254254, 257048, 265811, 289432, 303784, 353441, 399542, 417703, 430276, 449834, 506506, 508508, 531622, 706882, 799084, 835406, 860552, 899668, 1013012, 1017016, 1063244, 1398397, 1413764, 1598168, 1670812, 1799336, 2026024, 2126488, 2474087, 2796794, 2827528, 2923921, 3341624, 4594733, 4948174, 5593588, 5847842, 9189466, 9896348, 11187176, 11695684, 18378932, 19792696, 23391368, 32163131, 36757864, 64326262, 128652524, 257305048]

約数ペア:

[(1, 257305048), (2, 128652524), (4, 64326262), (7, 36757864), (8, 32163131), (11, 23391368), (13, 19792696), (14, 18378932), (22, 11695684), (23, 11187176), (26, 9896348), (28, 9189466), (44, 5847842), (46, 5593588), (52, 4948174), (56, 4594733), (77, 3341624), (88, 2923921), (91, 2827528), (92, 2796794), (104, 2474087), (121, 2126488), (127, 2026024), (143, 1799336), (154, 1670812), (161, 1598168), (182, 1413764), (184, 1398397), (242, 1063244), (253, 1017016), (254, 1013012), (286, 899668), (299, 860552), (308, 835406), (322, 799084), (364, 706882), (484, 531622), (506, 508508), (508, 506506), (572, 449834), (598, 430276), (616, 417703), (644, 399542), (728, 353441), (847, 303784), (889, 289432), (968, 265811), (1001, 257048), (1012, 254254), (1016, 253253), (1144, 224917), (1196, 215138), (1288, 199771), (1397, 184184), (1573, 163576), (1651, 155848), (1694, 151892), (1771, 145288), (1778, 144716), (2002, 128524), (2024, 127127), (2093, 122936), (2392, 107569), (2783, 92456), (2794, 92092), (2921, 88088), (3146, 81788), (3289, 78232), (3302, 77924), (3388, 75946), (3542, 72644), (3556, 72358), (4004, 64262), (4186, 61468), (5566, 46228), (5588, 46046), (5842, 44044), (6292, 40894), (6578, 39116), (6604, 38962), (6776, 37973), (7084, 36322), (7112, 36179), (8008, 32131), (8372, 30734), (9779, 26312), (11011, 23368), (11132, 23114), (11176, 23023), (11557, 22264), (11684, 22022), (12584, 20447), (13156, 19558), (13208, 19481), (14168, 18161), (15367, 16744)]