247164736

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:137

約数の個数: 168

約数和(自身を含む): 640421376

約数和(自身を除く): 393256640

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 37, 52, 56, 62, 64, 74, 91, 104, 112, 124, 148, 182, 208, 217, 224, 248, 259, 296, 364, 403, 416, 434, 448, 481, 496, 518, 592, 728, 806, 832, 868, 962, 992, 1036, 1147, 1184, 1369, 1456, 1612, 1736, 1924, 1984, 2072, 2294, 2368, 2738, 2821, 2912, 3224, 3367, 3472, 3848, 4144, 4588, 5476, 5642, 5824, 6448, 6734, 6944, 7696, 8029, 8288, 9176, 9583, 10952, 11284, 12896, 13468, 13888, 14911, 15392, 16058, 16576, 17797, 18352, 19166, 21904, 22568, 25792, 26936, 29822, 30784, 32116, 35594, 36704, 38332, 42439, 43808, 45136, 53872, 59644, 64232, 71188, 73408, 76664, 84878, 87616, 90272, 104377, 107744, 119288, 124579, 128464, 142376, 153328, 169756, 180544, 208754, 215488, 238576, 249158, 256928, 284752, 297073, 306656, 339512, 417508, 477152, 498316, 513856, 551707, 569504, 594146, 613312, 679024, 835016, 954304, 996632, 1103414, 1139008, 1188292, 1358048, 1670032, 1993264, 2206828, 2376584, 2716096, 3340064, 3861949, 3986528, 4413656, 4753168, 6680128, 7723898, 7973056, 8827312, 9506336, 15447796, 17654624, 19012672, 30895592, 35309248, 61791184, 123582368, 247164736]

約数ペア:

[(1, 247164736), (2, 123582368), (4, 61791184), (7, 35309248), (8, 30895592), (13, 19012672), (14, 17654624), (16, 15447796), (26, 9506336), (28, 8827312), (31, 7973056), (32, 7723898), (37, 6680128), (52, 4753168), (56, 4413656), (62, 3986528), (64, 3861949), (74, 3340064), (91, 2716096), (104, 2376584), (112, 2206828), (124, 1993264), (148, 1670032), (182, 1358048), (208, 1188292), (217, 1139008), (224, 1103414), (248, 996632), (259, 954304), (296, 835016), (364, 679024), (403, 613312), (416, 594146), (434, 569504), (448, 551707), (481, 513856), (496, 498316), (518, 477152), (592, 417508), (728, 339512), (806, 306656), (832, 297073), (868, 284752), (962, 256928), (992, 249158), (1036, 238576), (1147, 215488), (1184, 208754), (1369, 180544), (1456, 169756), (1612, 153328), (1736, 142376), (1924, 128464), (1984, 124579), (2072, 119288), (2294, 107744), (2368, 104377), (2738, 90272), (2821, 87616), (2912, 84878), (3224, 76664), (3367, 73408), (3472, 71188), (3848, 64232), (4144, 59644), (4588, 53872), (5476, 45136), (5642, 43808), (5824, 42439), (6448, 38332), (6734, 36704), (6944, 35594), (7696, 32116), (8029, 30784), (8288, 29822), (9176, 26936), (9583, 25792), (10952, 22568), (11284, 21904), (12896, 19166), (13468, 18352), (13888, 17797), (14911, 16576), (15392, 16058)]