261265670

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{205721}}^1$

素因数の和:205855

約数の個数: 16

約数和(自身を含む): 473983488

約数和(自身を除く): 212717818

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 205721, 411442, 1028605, 2057210, 26126567, 52253134, 130632835, 261265670]

約数ペア:

[(1, 261265670), (2, 130632835), (5, 52253134), (10, 26126567), (127, 2057210), (254, 1028605), (635, 411442), (1270, 205721)]