71695568

素因数分解:

$2^4\times 7^1\times {\mathrm{640139}}^1$

素因数の和:640154

約数の個数: 20

約数和(自身を含む): 158754720

約数和(自身を除く): 87059152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 640139, 1280278, 2560556, 4480973, 5121112, 8961946, 10242224, 17923892, 35847784, 71695568]

約数ペア:

[(1, 71695568), (2, 35847784), (4, 17923892), (7, 10242224), (8, 8961946), (14, 5121112), (16, 4480973), (28, 2560556), (56, 1280278), (112, 640139)]