87865568

素因数分解:

$2^5\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1759}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 198696960

約数和(自身を除く): 110831392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 223, 224, 446, 892, 1561, 1759, 1784, 3122, 3518, 3568, 6244, 7036, 7136, 12313, 12488, 14072, 24626, 24976, 28144, 49252, 49952, 56288, 98504, 197008, 392257, 394016, 784514, 1569028, 2745799, 3138056, 5491598, 6276112, 10983196, 12552224, 21966392, 43932784, 87865568]

約数ペア:

[(1, 87865568), (2, 43932784), (4, 21966392), (7, 12552224), (8, 10983196), (14, 6276112), (16, 5491598), (28, 3138056), (32, 2745799), (56, 1569028), (112, 784514), (223, 394016), (224, 392257), (446, 197008), (892, 98504), (1561, 56288), (1759, 49952), (1784, 49252), (3122, 28144), (3518, 24976), (3568, 24626), (6244, 14072), (7036, 12488), (7136, 12313)]