128840411

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{2267}}^1$

素因数の和:2650

約数の個数: 16

約数和(自身を含む): 154151424

約数和(自身を除く): 25311013

約数列:

[1, 7, 23, 161, 353, 2267, 2471, 8119, 15869, 52141, 56833, 364987, 800251, 5601757, 18405773, 128840411]

約数ペア:

[(1, 128840411), (7, 18405773), (23, 5601757), (161, 800251), (353, 364987), (2267, 56833), (2471, 52141), (8119, 15869)]