89648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:452

約数の個数: 20

約数和(自身を含む): 187488

約数和(自身を除く): 97840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431, 862, 1724, 3448, 5603, 6896, 11206, 22412, 44824, 89648]

約数ペア:

[(1, 89648), (2, 44824), (4, 22412), (8, 11206), (13, 6896), (16, 5603), (26, 3448), (52, 1724), (104, 862), (208, 431)]