81865664

素因数分解:

$2^6\times {\mathrm{997}}^1\times {\mathrm{1283}}^1$

素因数の和:2292

約数の個数: 28

約数和(自身を含む): 162741864

約数和(自身を除く): 80876200

約数列:

[1, 2, 4, 8, 16, 32, 64, 997, 1283, 1994, 2566, 3988, 5132, 7976, 10264, 15952, 20528, 31904, 41056, 63808, 82112, 1279151, 2558302, 5116604, 10233208, 20466416, 40932832, 81865664]

約数ペア:

[(1, 81865664), (2, 40932832), (4, 20466416), (8, 10233208), (16, 5116604), (32, 2558302), (64, 1279151), (997, 82112), (1283, 63808), (1994, 41056), (2566, 31904), (3988, 20528), (5132, 15952), (7976, 10264)]