1668208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2592

約数の個数: 20

約数和(自身を含む): 3312288

約数和(自身を除く): 1644080

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 2543, 5086, 10172, 20344, 40688, 104263, 208526, 417052, 834104, 1668208]

約数ペア:

[(1, 1668208), (2, 834104), (4, 417052), (8, 208526), (16, 104263), (41, 40688), (82, 20344), (164, 10172), (328, 5086), (656, 2543)]