128423869

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{1697}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 154857600

約数和(自身を除く): 26433731

約数列:

[1, 7, 19, 133, 569, 1697, 3983, 10811, 11879, 32243, 75677, 225701, 965593, 6759151, 18346267, 128423869]

約数ペア:

[(1, 128423869), (7, 18346267), (19, 6759151), (133, 965593), (569, 225701), (1697, 75677), (3983, 32243), (10811, 11879)]