257013456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:481

約数の個数: 160

約数和(自身を含む): 807567360

約数和(自身を除く): 550553904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 127, 133, 152, 168, 228, 254, 266, 304, 317, 336, 381, 399, 456, 508, 532, 634, 762, 798, 889, 912, 951, 1016, 1064, 1268, 1524, 1596, 1778, 1902, 2032, 2128, 2219, 2413, 2536, 2667, 3048, 3192, 3556, 3804, 4438, 4826, 5072, 5334, 6023, 6096, 6384, 6657, 7112, 7239, 7608, 8876, 9652, 10668, 12046, 13314, 14224, 14478, 15216, 16891, 17752, 18069, 19304, 21336, 24092, 26628, 28956, 33782, 35504, 36138, 38608, 40259, 42161, 42672, 48184, 50673, 53256, 57912, 67564, 72276, 80518, 84322, 96368, 101346, 106512, 115824, 120777, 126483, 135128, 144552, 161036, 168644, 202692, 241554, 252966, 270256, 281813, 289104, 322072, 337288, 405384, 483108, 505932, 563626, 644144, 674576, 764921, 810768, 845439, 966216, 1011864, 1127252, 1529842, 1690878, 1932432, 2023728, 2254504, 2294763, 3059684, 3381756, 4509008, 4589526, 5354447, 6119368, 6763512, 9179052, 10708894, 12238736, 13527024, 16063341, 18358104, 21417788, 32126682, 36716208, 42835576, 64253364, 85671152, 128506728, 257013456]

約数ペア:

[(1, 257013456), (2, 128506728), (3, 85671152), (4, 64253364), (6, 42835576), (7, 36716208), (8, 32126682), (12, 21417788), (14, 18358104), (16, 16063341), (19, 13527024), (21, 12238736), (24, 10708894), (28, 9179052), (38, 6763512), (42, 6119368), (48, 5354447), (56, 4589526), (57, 4509008), (76, 3381756), (84, 3059684), (112, 2294763), (114, 2254504), (127, 2023728), (133, 1932432), (152, 1690878), (168, 1529842), (228, 1127252), (254, 1011864), (266, 966216), (304, 845439), (317, 810768), (336, 764921), (381, 674576), (399, 644144), (456, 563626), (508, 505932), (532, 483108), (634, 405384), (762, 337288), (798, 322072), (889, 289104), (912, 281813), (951, 270256), (1016, 252966), (1064, 241554), (1268, 202692), (1524, 168644), (1596, 161036), (1778, 144552), (1902, 135128), (2032, 126483), (2128, 120777), (2219, 115824), (2413, 106512), (2536, 101346), (2667, 96368), (3048, 84322), (3192, 80518), (3556, 72276), (3804, 67564), (4438, 57912), (4826, 53256), (5072, 50673), (5334, 48184), (6023, 42672), (6096, 42161), (6384, 40259), (6657, 38608), (7112, 36138), (7239, 35504), (7608, 33782), (8876, 28956), (9652, 26628), (10668, 24092), (12046, 21336), (13314, 19304), (14224, 18069), (14478, 17752), (15216, 16891)]