31489616

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{14159}}^1$

素因数の和:14306

約数の個数: 20

約数和(自身を含む): 61454400

約数和(自身を除く): 29964784

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 14159, 28318, 56636, 113272, 226544, 1968101, 3936202, 7872404, 15744808, 31489616]

約数ペア:

[(1, 31489616), (2, 15744808), (4, 7872404), (8, 3936202), (16, 1968101), (139, 226544), (278, 113272), (556, 56636), (1112, 28318), (2224, 14159)]