209732545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{479}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 290304000

約数和(自身を除く): 80571455

約数列:

[1, 5, 11, 19, 55, 95, 209, 419, 479, 1045, 2095, 2395, 4609, 5269, 7961, 9101, 23045, 26345, 39805, 45505, 87571, 100111, 200701, 437855, 500555, 1003505, 2207711, 3813319, 11038555, 19066595, 41946509, 209732545]

約数ペア:

[(1, 209732545), (5, 41946509), (11, 19066595), (19, 11038555), (55, 3813319), (95, 2207711), (209, 1003505), (419, 500555), (479, 437855), (1045, 200701), (2095, 100111), (2395, 87571), (4609, 45505), (5269, 39805), (7961, 26345), (9101, 23045)]