1288643839

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{135661}}^1$

素因数の和:135750

約数の個数: 16

約数和(自身を含む): 1562826240

約数和(自身を除く): 274182401

約数列:

[1, 7, 23, 59, 161, 413, 1357, 9499, 135661, 949627, 3120203, 8003999, 21841421, 56027993, 184091977, 1288643839]

約数ペア:

[(1, 1288643839), (7, 184091977), (23, 56027993), (59, 21841421), (161, 8003999), (413, 3120203), (1357, 949627), (9499, 135661)]