291663568

素因数分解:

$2^4\times 7^1\times {\mathrm{2604139}}^1$

素因数の和:2604154

約数の個数: 20

約数和(自身を含む): 645826720

約数和(自身を除く): 354163152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2604139, 5208278, 10416556, 18228973, 20833112, 36457946, 41666224, 72915892, 145831784, 291663568]

約数ペア:

[(1, 291663568), (2, 145831784), (4, 72915892), (7, 41666224), (8, 36457946), (14, 20833112), (16, 18228973), (28, 10416556), (56, 5208278), (112, 2604139)]