71680784

素因数分解:

$2^4\times 7^1\times {\mathrm{640007}}^1$

素因数の和:640022

約数の個数: 20

約数和(自身を含む): 158721984

約数和(自身を除く): 87041200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 640007, 1280014, 2560028, 4480049, 5120056, 8960098, 10240112, 17920196, 35840392, 71680784]

約数ペア:

[(1, 71680784), (2, 35840392), (4, 17920196), (7, 10240112), (8, 8960098), (14, 5120056), (16, 4480049), (28, 2560028), (56, 1280014), (112, 640007)]