28973178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{123817}}^1$

素因数の和:123838

約数の個数: 24

約数和(自身を含む): 67604628

約数和(自身を除く): 38631450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 123817, 247634, 371451, 742902, 1114353, 1609621, 2228706, 3219242, 4828863, 9657726, 14486589, 28973178]

約数ペア:

[(1, 28973178), (2, 14486589), (3, 9657726), (6, 4828863), (9, 3219242), (13, 2228706), (18, 1609621), (26, 1114353), (39, 742902), (78, 371451), (117, 247634), (234, 123817)]