54245815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26921}}^1$

素因数の和:26970

約数の個数: 16

約数和(自身を含む): 72366336

約数和(自身を除く): 18120521

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 26921, 134605, 349973, 834551, 1749865, 4172755, 10849163, 54245815]

約数ペア:

[(1, 54245815), (5, 10849163), (13, 4172755), (31, 1749865), (65, 834551), (155, 349973), (403, 134605), (2015, 26921)]