222721036

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{784229}}^1$

素因数の和:784304

約数の個数: 12

約数和(自身を含む): 395251920

約数和(自身を除く): 172530884

約数列:

[1, 2, 4, 71, 142, 284, 784229, 1568458, 3136916, 55680259, 111360518, 222721036]

約数ペア:

[(1, 222721036), (2, 111360518), (4, 55680259), (71, 3136916), (142, 1568458), (284, 784229)]