28719908

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2939}}^1$

素因数の和:3299

約数の個数: 24

約数和(自身を含む): 57624000

約数和(自身を除く): 28904092

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2443, 2939, 4886, 5878, 9772, 11756, 20573, 41146, 82292, 1025711, 2051422, 4102844, 7179977, 14359954, 28719908]

約数ペア:

[(1, 28719908), (2, 14359954), (4, 7179977), (7, 4102844), (14, 2051422), (28, 1025711), (349, 82292), (698, 41146), (1396, 20573), (2443, 11756), (2939, 9772), (4886, 5878)]