51513008

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{139981}}^1$

素因数の和:140012

約数の個数: 20

約数和(自身を含む): 104146608

約数和(自身を除く): 52633600

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 139981, 279962, 559924, 1119848, 2239696, 3219563, 6439126, 12878252, 25756504, 51513008]

約数ペア:

[(1, 51513008), (2, 25756504), (4, 12878252), (8, 6439126), (16, 3219563), (23, 2239696), (46, 1119848), (92, 559924), (184, 279962), (368, 139981)]