138742856

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 309120000

約数和(自身を除く): 170377144

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 229, 248, 349, 434, 458, 698, 868, 916, 1396, 1603, 1736, 1832, 2443, 2792, 3206, 4886, 6412, 7099, 9772, 10819, 12824, 14198, 19544, 21638, 28396, 43276, 49693, 56792, 75733, 79921, 86552, 99386, 151466, 159842, 198772, 302932, 319684, 397544, 559447, 605864, 639368, 1118894, 2237788, 2477551, 4475576, 4955102, 9910204, 17342857, 19820408, 34685714, 69371428, 138742856]

約数ペア:

[(1, 138742856), (2, 69371428), (4, 34685714), (7, 19820408), (8, 17342857), (14, 9910204), (28, 4955102), (31, 4475576), (56, 2477551), (62, 2237788), (124, 1118894), (217, 639368), (229, 605864), (248, 559447), (349, 397544), (434, 319684), (458, 302932), (698, 198772), (868, 159842), (916, 151466), (1396, 99386), (1603, 86552), (1736, 79921), (1832, 75733), (2443, 56792), (2792, 49693), (3206, 43276), (4886, 28396), (6412, 21638), (7099, 19544), (9772, 14198), (10819, 12824)]