621380368

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 120

約数和(自身を含む): 1486881024

約数和(自身を除く): 865500656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 49, 56, 62, 74, 98, 112, 124, 148, 196, 217, 248, 259, 296, 392, 434, 496, 518, 592, 691, 784, 868, 1036, 1147, 1382, 1519, 1736, 1813, 2072, 2294, 2764, 3038, 3472, 3626, 4144, 4588, 4837, 5528, 6076, 7252, 8029, 9176, 9674, 11056, 12152, 14504, 16058, 18352, 19348, 21421, 24304, 25567, 29008, 32116, 33859, 38696, 42842, 51134, 56203, 64232, 67718, 77392, 85684, 102268, 112406, 128464, 135436, 149947, 171368, 178969, 204536, 224812, 270872, 299894, 342736, 357938, 409072, 449624, 541744, 599788, 715876, 792577, 899248, 1049629, 1199576, 1252783, 1431752, 1585154, 2099258, 2399152, 2505566, 2863504, 3170308, 4198516, 5011132, 5548039, 6340616, 8397032, 10022264, 11096078, 12681232, 16794064, 20044528, 22192156, 38836273, 44384312, 77672546, 88768624, 155345092, 310690184, 621380368]

約数ペア:

[(1, 621380368), (2, 310690184), (4, 155345092), (7, 88768624), (8, 77672546), (14, 44384312), (16, 38836273), (28, 22192156), (31, 20044528), (37, 16794064), (49, 12681232), (56, 11096078), (62, 10022264), (74, 8397032), (98, 6340616), (112, 5548039), (124, 5011132), (148, 4198516), (196, 3170308), (217, 2863504), (248, 2505566), (259, 2399152), (296, 2099258), (392, 1585154), (434, 1431752), (496, 1252783), (518, 1199576), (592, 1049629), (691, 899248), (784, 792577), (868, 715876), (1036, 599788), (1147, 541744), (1382, 449624), (1519, 409072), (1736, 357938), (1813, 342736), (2072, 299894), (2294, 270872), (2764, 224812), (3038, 204536), (3472, 178969), (3626, 171368), (4144, 149947), (4588, 135436), (4837, 128464), (5528, 112406), (6076, 102268), (7252, 85684), (8029, 77392), (9176, 67718), (9674, 64232), (11056, 56203), (12152, 51134), (14504, 42842), (16058, 38696), (18352, 33859), (19348, 32116), (21421, 29008), (24304, 25567)]