128802272

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{129841}}^1$

素因数の和:129882

約数の個数: 24

約数和(自身を含む): 261761472

約数和(自身を除く): 132959200

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 129841, 259682, 519364, 1038728, 2077456, 4025071, 4154912, 8050142, 16100284, 32200568, 64401136, 128802272]

約数ペア:

[(1, 128802272), (2, 64401136), (4, 32200568), (8, 16100284), (16, 8050142), (31, 4154912), (32, 4025071), (62, 2077456), (124, 1038728), (248, 519364), (496, 259682), (992, 129841)]