261561377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{883}}^1\times {\mathrm{3847}}^1$

素因数の和:4748

約数の個数: 16

約数和(自身を含む): 326556672

約数和(自身を除く): 64995295

約数列:

[1, 7, 11, 77, 883, 3847, 6181, 9713, 26929, 42317, 67991, 296219, 3396901, 23778307, 37365911, 261561377]

約数ペア:

[(1, 261561377), (7, 37365911), (11, 23778307), (77, 3396901), (883, 296219), (3847, 67991), (6181, 42317), (9713, 26929)]