261567397

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{42901}}^1$

素因数の和:42988

約数の個数: 16

約数和(自身を含む): 326741632

約数和(自身を除く): 65174235

約数列:

[1, 7, 13, 67, 91, 469, 871, 6097, 42901, 300307, 557713, 2874367, 3903991, 20120569, 37366771, 261567397]

約数ペア:

[(1, 261567397), (7, 37366771), (13, 20120569), (67, 3903991), (91, 2874367), (469, 557713), (871, 300307), (6097, 42901)]