31311728

素因数分解:

$2^4\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1063}}^1$

素因数の和:1341

約数の個数: 40

約数和(自身を含む): 69662208

約数和(自身を除く): 38350480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 263, 526, 1052, 1063, 1841, 2104, 2126, 3682, 4208, 4252, 7364, 7441, 8504, 14728, 14882, 17008, 29456, 29764, 59528, 119056, 279569, 559138, 1118276, 1956983, 2236552, 3913966, 4473104, 7827932, 15655864, 31311728]

約数ペア:

[(1, 31311728), (2, 15655864), (4, 7827932), (7, 4473104), (8, 3913966), (14, 2236552), (16, 1956983), (28, 1118276), (56, 559138), (112, 279569), (263, 119056), (526, 59528), (1052, 29764), (1063, 29456), (1841, 17008), (2104, 14882), (2126, 14728), (3682, 8504), (4208, 7441), (4252, 7364)]