1019915

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 24

約数和(自身を含む): 1423008

約数和(自身を除く): 403093

約数列:

[1, 5, 13, 17, 65, 71, 85, 169, 221, 355, 845, 923, 1105, 1207, 2873, 4615, 6035, 11999, 14365, 15691, 59995, 78455, 203983, 1019915]

約数ペア:

[(1, 1019915), (5, 203983), (13, 78455), (17, 59995), (65, 15691), (71, 14365), (85, 11999), (169, 6035), (221, 4615), (355, 2873), (845, 1207), (923, 1105)]