205854908

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{20479}}^1$

素因数の和:20849

約数の個数: 24

約数和(自身を含む): 412876800

約数和(自身を除く): 207021892

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2513, 5026, 10052, 20479, 40958, 81916, 143353, 286706, 573412, 7351961, 14703922, 29407844, 51463727, 102927454, 205854908]

約数ペア:

[(1, 205854908), (2, 102927454), (4, 51463727), (7, 29407844), (14, 14703922), (28, 7351961), (359, 573412), (718, 286706), (1436, 143353), (2513, 81916), (5026, 40958), (10052, 20479)]