28681667

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6143}}^1$

素因数の和:6202

約数の個数: 16

約数和(自身を含む): 35389440

約数和(自身を除く): 6707773

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 6143, 43001, 141289, 178147, 989023, 1247029, 4097381, 28681667]

約数ペア:

[(1, 28681667), (7, 4097381), (23, 1247029), (29, 989023), (161, 178147), (203, 141289), (667, 43001), (4669, 6143)]