190020917

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 221128704

約数和(自身を除く): 31107787

約数列:

[1, 17, 23, 31, 61, 257, 391, 527, 713, 1037, 1403, 1891, 4369, 5911, 7967, 12121, 15677, 23851, 32147, 43493, 100487, 135439, 183241, 266509, 360571, 485987, 739381, 3115097, 6129707, 8261779, 11177701, 190020917]

約数ペア:

[(1, 190020917), (17, 11177701), (23, 8261779), (31, 6129707), (61, 3115097), (257, 739381), (391, 485987), (527, 360571), (713, 266509), (1037, 183241), (1403, 135439), (1891, 100487), (4369, 43493), (5911, 32147), (7967, 23851), (12121, 15677)]