205128847

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 261211392

約数和(自身を除く): 56082545

約数列:

[1, 7, 11, 49, 77, 431, 539, 883, 3017, 4741, 6181, 9713, 21119, 33187, 43267, 67991, 232309, 380573, 475937, 2664011, 4186303, 18648077, 29304121, 205128847]

約数ペア:

[(1, 205128847), (7, 29304121), (11, 18648077), (49, 4186303), (77, 2664011), (431, 475937), (539, 380573), (883, 232309), (3017, 67991), (4741, 43267), (6181, 33187), (9713, 21119)]