205512905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67271}}^1$

素因数の和:67336

約数の個数: 16

約数和(自身を含む): 271240704

約数和(自身を除く): 65727799

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 67271, 336355, 874523, 3161737, 4372615, 15808685, 41102581, 205512905]

約数ペア:

[(1, 205512905), (5, 41102581), (13, 15808685), (47, 4372615), (65, 3161737), (235, 874523), (611, 336355), (3055, 67271)]