2905265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 3848256

約数和(自身を除く): 942991

約数列:

[1, 5, 11, 55, 101, 505, 523, 1111, 2615, 5555, 5753, 28765, 52823, 264115, 581053, 2905265]

約数ペア:

[(1, 2905265), (5, 581053), (11, 264115), (55, 52823), (101, 28765), (505, 5753), (523, 5555), (1111, 2615)]