28685761

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 3779903

約数列:

[1, 13, 23, 197, 299, 487, 2561, 4531, 6331, 11201, 58903, 95939, 145613, 1247207, 2206597, 28685761]

約数ペア:

[(1, 28685761), (13, 2206597), (23, 1247207), (197, 145613), (299, 95939), (487, 58903), (2561, 11201), (4531, 6331)]