31489712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{115771}}^1$

素因数の和:115796

約数の個数: 20

約数和(自身を含む): 64600776

約数和(自身を除く): 33111064

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 115771, 231542, 463084, 926168, 1852336, 1968107, 3936214, 7872428, 15744856, 31489712]

約数ペア:

[(1, 31489712), (2, 15744856), (4, 7872428), (8, 3936214), (16, 1968107), (17, 1852336), (34, 926168), (68, 463084), (136, 231542), (272, 115771)]