281115632

素因数分解:

$2^4\times 7^1\times {\mathrm{2509961}}^1$

素因数の和:2509976

約数の個数: 20

約数和(自身を含む): 622470576

約数和(自身を除く): 341354944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2509961, 5019922, 10039844, 17569727, 20079688, 35139454, 40159376, 70278908, 140557816, 281115632]

約数ペア:

[(1, 281115632), (2, 140557816), (4, 70278908), (7, 40159376), (8, 35139454), (14, 20079688), (16, 17569727), (28, 10039844), (56, 5019922), (112, 2509961)]