678606416

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1034461}}^1$

素因数の和:1034510

約数の個数: 20

約数和(自身を含む): 1346869524

約数和(自身を除く): 668263108

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1034461, 2068922, 4137844, 8275688, 16551376, 42412901, 84825802, 169651604, 339303208, 678606416]

約数ペア:

[(1, 678606416), (2, 339303208), (4, 169651604), (8, 84825802), (16, 42412901), (41, 16551376), (82, 8275688), (164, 4137844), (328, 2068922), (656, 1034461)]