165380047

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4801}}^1$

素因数の和:4871

約数の個数: 24

約数和(自身を含む): 208022640

約数和(自身を除く): 42642593

約数列:

[1, 7, 19, 37, 49, 133, 259, 703, 931, 1813, 4801, 4921, 33607, 34447, 91219, 177637, 235249, 638533, 1243459, 3375103, 4469731, 8704213, 23625721, 165380047]

約数ペア:

[(1, 165380047), (7, 23625721), (19, 8704213), (37, 4469731), (49, 3375103), (133, 1243459), (259, 638533), (703, 235249), (931, 177637), (1813, 91219), (4801, 34447), (4921, 33607)]