138779312

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{39971}}^1$

素因数の和:40017

約数の個数: 40

約数和(自身を含む): 317217792

約数和(自身を除く): 178438480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 39971, 79942, 159884, 279797, 319768, 559594, 639536, 1119188, 1239101, 2238376, 2478202, 4476752, 4956404, 8673707, 9912808, 17347414, 19825616, 34694828, 69389656, 138779312]

約数ペア:

[(1, 138779312), (2, 69389656), (4, 34694828), (7, 19825616), (8, 17347414), (14, 9912808), (16, 8673707), (28, 4956404), (31, 4476752), (56, 2478202), (62, 2238376), (112, 1239101), (124, 1119188), (217, 639536), (248, 559594), (434, 319768), (496, 279797), (868, 159884), (1736, 79942), (3472, 39971)]