77972816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{118861}}^1$

素因数の和:118910

約数の個数: 20

約数和(自身を含む): 154758324

約数和(自身を除く): 76785508

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 118861, 237722, 475444, 950888, 1901776, 4873301, 9746602, 19493204, 38986408, 77972816]

約数ペア:

[(1, 77972816), (2, 38986408), (4, 19493204), (8, 9746602), (16, 4873301), (41, 1901776), (82, 950888), (164, 475444), (328, 237722), (656, 118861)]