2440945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 3412584

約数和(自身を除く): 971639

約数列:

[1, 5, 13, 17, 47, 65, 85, 221, 235, 611, 799, 1105, 2209, 3055, 3995, 10387, 11045, 28717, 37553, 51935, 143585, 187765, 488189, 2440945]

約数ペア:

[(1, 2440945), (5, 488189), (13, 187765), (17, 143585), (47, 51935), (65, 37553), (85, 28717), (221, 11045), (235, 10387), (611, 3995), (799, 3055), (1105, 2209)]