31489808

素因数分解:

$2^4\times 7^1\times {\mathrm{281159}}^1$

素因数の和:281174

約数の個数: 20

約数和(自身を含む): 69727680

約数和(自身を除く): 38237872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281159, 562318, 1124636, 1968113, 2249272, 3936226, 4498544, 7872452, 15744904, 31489808]

約数ペア:

[(1, 31489808), (2, 15744904), (4, 7872452), (7, 4498544), (8, 3936226), (14, 2249272), (16, 1968113), (28, 1124636), (56, 562318), (112, 281159)]