128464231

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{42979}}^1$

素因数の和:43054

約数の個数: 12

約数和(自身を含む): 151891320

約数和(自身を除く): 23427089

約数列:

[1, 7, 49, 61, 427, 2989, 42979, 300853, 2105971, 2621719, 18352033, 128464231]

約数ペア:

[(1, 128464231), (7, 18352033), (49, 2621719), (61, 2105971), (427, 300853), (2989, 42979)]