28271178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{120817}}^1$

素因数の和:120838

約数の個数: 24

約数和(自身を含む): 65966628

約数和(自身を除く): 37695450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 120817, 241634, 362451, 724902, 1087353, 1570621, 2174706, 3141242, 4711863, 9423726, 14135589, 28271178]

約数ペア:

[(1, 28271178), (2, 14135589), (3, 9423726), (6, 4711863), (9, 3141242), (13, 2174706), (18, 1570621), (26, 1087353), (39, 724902), (78, 362451), (117, 241634), (234, 120817)]