261566291

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{6343}}^1$

素因数の和:6530

約数の個数: 16

約数和(自身を含む): 308166144

約数和(自身を除く): 46599853

約数列:

[1, 7, 43, 137, 301, 959, 5891, 6343, 41237, 44401, 272749, 868991, 1909243, 6082937, 37366613, 261566291]

約数ペア:

[(1, 261566291), (7, 37366613), (43, 6082937), (137, 1909243), (301, 868991), (959, 272749), (5891, 44401), (6343, 41237)]