31474352

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21617}}^1$

素因数の和:21645

約数の個数: 40

約数和(自身を含む): 75057696

約数和(自身を除く): 43583344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21617, 43234, 86468, 151319, 172936, 281021, 302638, 345872, 562042, 605276, 1124084, 1210552, 1967147, 2248168, 2421104, 3934294, 4496336, 7868588, 15737176, 31474352]

約数ペア:

[(1, 31474352), (2, 15737176), (4, 7868588), (7, 4496336), (8, 3934294), (13, 2421104), (14, 2248168), (16, 1967147), (26, 1210552), (28, 1124084), (52, 605276), (56, 562042), (91, 345872), (104, 302638), (112, 281021), (182, 172936), (208, 151319), (364, 86468), (728, 43234), (1456, 21617)]