28540421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6673}}^1$

素因数の和:6740

約数の個数: 16

約数和(自身を含む): 35879424

約数和(自身を除く): 7339003

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 6673, 46711, 86749, 313631, 607243, 2195417, 4077203, 28540421]

約数ペア:

[(1, 28540421), (7, 4077203), (13, 2195417), (47, 607243), (91, 313631), (329, 86749), (611, 46711), (4277, 6673)]