28158013

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{653}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 31643136

約数和(自身を除く): 3485123

約数列:

[1, 13, 31, 107, 403, 653, 1391, 3317, 8489, 20243, 43121, 69871, 263159, 908323, 2166001, 28158013]

約数ペア:

[(1, 28158013), (13, 2166001), (31, 908323), (107, 263159), (403, 69871), (653, 43121), (1391, 20243), (3317, 8489)]