287709864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 801239040

約数和(自身を除く): 513529176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 127, 137, 156, 159, 212, 254, 274, 312, 318, 381, 411, 424, 508, 548, 636, 689, 762, 822, 1016, 1096, 1272, 1378, 1524, 1644, 1651, 1781, 2067, 2756, 3048, 3288, 3302, 3562, 4134, 4953, 5343, 5512, 6604, 6731, 7124, 7261, 8268, 9906, 10686, 13208, 13462, 14248, 14522, 16536, 17399, 19812, 20193, 21372, 21783, 26924, 29044, 34798, 39624, 40386, 42744, 43566, 52197, 53848, 58088, 69596, 80772, 87132, 87503, 94393, 104394, 139192, 161544, 174264, 175006, 188786, 208788, 226187, 262509, 283179, 350012, 377572, 417576, 452374, 525018, 566358, 678561, 700024, 755144, 904748, 922147, 1050036, 1132716, 1357122, 1809496, 1844294, 2100072, 2265432, 2714244, 2766441, 3688588, 5428488, 5532882, 7377176, 11065764, 11987911, 22131528, 23975822, 35963733, 47951644, 71927466, 95903288, 143854932, 287709864]

約数ペア:

[(1, 287709864), (2, 143854932), (3, 95903288), (4, 71927466), (6, 47951644), (8, 35963733), (12, 23975822), (13, 22131528), (24, 11987911), (26, 11065764), (39, 7377176), (52, 5532882), (53, 5428488), (78, 3688588), (104, 2766441), (106, 2714244), (127, 2265432), (137, 2100072), (156, 1844294), (159, 1809496), (212, 1357122), (254, 1132716), (274, 1050036), (312, 922147), (318, 904748), (381, 755144), (411, 700024), (424, 678561), (508, 566358), (548, 525018), (636, 452374), (689, 417576), (762, 377572), (822, 350012), (1016, 283179), (1096, 262509), (1272, 226187), (1378, 208788), (1524, 188786), (1644, 175006), (1651, 174264), (1781, 161544), (2067, 139192), (2756, 104394), (3048, 94393), (3288, 87503), (3302, 87132), (3562, 80772), (4134, 69596), (4953, 58088), (5343, 53848), (5512, 52197), (6604, 43566), (6731, 42744), (7124, 40386), (7261, 39624), (8268, 34798), (9906, 29044), (10686, 26924), (13208, 21783), (13462, 21372), (14248, 20193), (14522, 19812), (16536, 17399)]