278320144

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{259627}}^1$

素因数の和:259702

約数の個数: 20

約数和(自身を含む): 547295824

約数和(自身を除く): 268975680

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 259627, 519254, 1038508, 2077016, 4154032, 17395009, 34790018, 69580036, 139160072, 278320144]

約数ペア:

[(1, 278320144), (2, 139160072), (4, 69580036), (8, 34790018), (16, 17395009), (67, 4154032), (134, 2077016), (268, 1038508), (536, 519254), (1072, 259627)]