2688217

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 3271680

約数和(自身を除く): 583463

約数列:

[1, 7, 23, 59, 161, 283, 413, 1357, 1981, 6509, 9499, 16697, 45563, 116879, 384031, 2688217]

約数ペア:

[(1, 2688217), (7, 384031), (23, 116879), (59, 45563), (161, 16697), (283, 9499), (413, 6509), (1357, 1981)]