129385072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260857}}^1$

素因数の和:260896

約数の個数: 20

約数和(自身を含む): 258771136

約数和(自身を除く): 129386064

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260857, 521714, 1043428, 2086856, 4173712, 8086567, 16173134, 32346268, 64692536, 129385072]

約数ペア:

[(1, 129385072), (2, 64692536), (4, 32346268), (8, 16173134), (16, 8086567), (31, 4173712), (62, 2086856), (124, 1043428), (248, 521714), (496, 260857)]