2122448

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1334

約数の個数: 20

約数和(自身を含む): 4153380

約数和(自身を除く): 2030932

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1217, 1744, 2434, 4868, 9736, 19472, 132653, 265306, 530612, 1061224, 2122448]

約数ペア:

[(1, 2122448), (2, 1061224), (4, 530612), (8, 265306), (16, 132653), (109, 19472), (218, 9736), (436, 4868), (872, 2434), (1217, 1744)]