256414144

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 112

約数和(自身を含む): 617728000

約数和(自身を除く): 361313856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 64, 74, 112, 124, 148, 217, 224, 248, 259, 296, 434, 448, 496, 499, 518, 592, 868, 992, 998, 1036, 1147, 1184, 1736, 1984, 1996, 2072, 2294, 2368, 3472, 3493, 3992, 4144, 4588, 6944, 6986, 7984, 8029, 8288, 9176, 13888, 13972, 15469, 15968, 16058, 16576, 18352, 18463, 27944, 30938, 31936, 32116, 36704, 36926, 55888, 61876, 64232, 73408, 73852, 108283, 111776, 123752, 128464, 129241, 147704, 216566, 223552, 247504, 256928, 258482, 295408, 433132, 495008, 513856, 516964, 572353, 590816, 866264, 990016, 1033928, 1144706, 1181632, 1732528, 2067856, 2289412, 3465056, 4006471, 4135712, 4578824, 6930112, 8012942, 8271424, 9157648, 16025884, 18315296, 32051768, 36630592, 64103536, 128207072, 256414144]

約数ペア:

[(1, 256414144), (2, 128207072), (4, 64103536), (7, 36630592), (8, 32051768), (14, 18315296), (16, 16025884), (28, 9157648), (31, 8271424), (32, 8012942), (37, 6930112), (56, 4578824), (62, 4135712), (64, 4006471), (74, 3465056), (112, 2289412), (124, 2067856), (148, 1732528), (217, 1181632), (224, 1144706), (248, 1033928), (259, 990016), (296, 866264), (434, 590816), (448, 572353), (496, 516964), (499, 513856), (518, 495008), (592, 433132), (868, 295408), (992, 258482), (998, 256928), (1036, 247504), (1147, 223552), (1184, 216566), (1736, 147704), (1984, 129241), (1996, 128464), (2072, 123752), (2294, 111776), (2368, 108283), (3472, 73852), (3493, 73408), (3992, 64232), (4144, 61876), (4588, 55888), (6944, 36926), (6986, 36704), (7984, 32116), (8029, 31936), (8288, 30938), (9176, 27944), (13888, 18463), (13972, 18352), (15469, 16576), (15968, 16058)]