220157896

素因数分解:

$2^3\times 7^1\times {\mathrm{523}}^1\times {\mathrm{7517}}^1$

素因数の和:8053

約数の個数: 32

約数和(自身を含む): 472731840

約数和(自身を除く): 252573944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 523, 1046, 2092, 3661, 4184, 7322, 7517, 14644, 15034, 29288, 30068, 52619, 60136, 105238, 210476, 420952, 3931391, 7862782, 15725564, 27519737, 31451128, 55039474, 110078948, 220157896]

約数ペア:

[(1, 220157896), (2, 110078948), (4, 55039474), (7, 31451128), (8, 27519737), (14, 15725564), (28, 7862782), (56, 3931391), (523, 420952), (1046, 210476), (2092, 105238), (3661, 60136), (4184, 52619), (7322, 30068), (7517, 29288), (14644, 15034)]