28386991

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 3408209

約数列:

[1, 17, 23, 79, 391, 919, 1343, 1817, 15623, 21137, 30889, 72601, 359329, 1234217, 1669823, 28386991]

約数ペア:

[(1, 28386991), (17, 1669823), (23, 1234217), (79, 359329), (391, 72601), (919, 30889), (1343, 21137), (1817, 15623)]