279156728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{20323}}^1$

素因数の和:20447

約数の個数: 32

約数和(自身を含む): 559722960

約数和(自身を除く): 280566232

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 202, 404, 808, 1717, 3434, 6868, 13736, 20323, 40646, 81292, 162584, 345491, 690982, 1381964, 2052623, 2763928, 4105246, 8210492, 16420984, 34894591, 69789182, 139578364, 279156728]

約数ペア:

[(1, 279156728), (2, 139578364), (4, 69789182), (8, 34894591), (17, 16420984), (34, 8210492), (68, 4105246), (101, 2763928), (136, 2052623), (202, 1381964), (404, 690982), (808, 345491), (1717, 162584), (3434, 81292), (6868, 40646), (13736, 20323)]