279896768

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2101

約数の個数: 56

約数和(自身を含む): 581704704

約数和(自身を除く): 301807936

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 142, 248, 284, 496, 568, 992, 1136, 1984, 1987, 2201, 2272, 3974, 4402, 4544, 7948, 8804, 15896, 17608, 31792, 35216, 61597, 63584, 70432, 123194, 127168, 140864, 141077, 246388, 282154, 492776, 564308, 985552, 1128616, 1971104, 2257232, 3942208, 4373387, 4514464, 8746774, 9028928, 17493548, 34987096, 69974192, 139948384, 279896768]

約数ペア:

[(1, 279896768), (2, 139948384), (4, 69974192), (8, 34987096), (16, 17493548), (31, 9028928), (32, 8746774), (62, 4514464), (64, 4373387), (71, 3942208), (124, 2257232), (142, 1971104), (248, 1128616), (284, 985552), (496, 564308), (568, 492776), (992, 282154), (1136, 246388), (1984, 141077), (1987, 140864), (2201, 127168), (2272, 123194), (3974, 70432), (4402, 63584), (4544, 61597), (7948, 35216), (8804, 31792), (15896, 17608)]