220705856

素因数分解:

$2^6\times 7^1\times {\mathrm{492647}}^1$

素因数の和:492666

約数の個数: 28

約数和(自身を含む): 500530368

約数和(自身を除く): 279824512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 492647, 985294, 1970588, 3448529, 3941176, 6897058, 7882352, 13794116, 15764704, 27588232, 31529408, 55176464, 110352928, 220705856]

約数ペア:

[(1, 220705856), (2, 110352928), (4, 55176464), (7, 31529408), (8, 27588232), (14, 15764704), (16, 13794116), (28, 7882352), (32, 6897058), (56, 3941176), (64, 3448529), (112, 1970588), (224, 985294), (448, 492647)]