128525008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{259123}}^1$

素因数の和:259162

約数の個数: 20

約数和(自身を含む): 257051008

約数和(自身を除く): 128526000

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 259123, 518246, 1036492, 2072984, 4145968, 8032813, 16065626, 32131252, 64262504, 128525008]

約数ペア:

[(1, 128525008), (2, 64262504), (4, 32131252), (8, 16065626), (16, 8032813), (31, 4145968), (62, 2072984), (124, 1036492), (248, 518246), (496, 259123)]