28840724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{655471}}^1$

素因数の和:655486

約数の個数: 12

約数和(自身を含む): 55059648

約数和(自身を除く): 26218924

約数列:

[1, 2, 4, 11, 22, 44, 655471, 1310942, 2621884, 7210181, 14420362, 28840724]

約数ペア:

[(1, 28840724), (2, 14420362), (4, 7210181), (11, 2621884), (22, 1310942), (44, 655471)]