127584176

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{3989}}^1$

素因数の和:5996

約数の個数: 20

約数和(自身を含む): 247380000

約数和(自身を除く): 119795824

約数列:

[1, 2, 4, 8, 16, 1999, 3989, 3998, 7978, 7996, 15956, 15992, 31912, 31984, 63824, 7974011, 15948022, 31896044, 63792088, 127584176]

約数ペア:

[(1, 127584176), (2, 63792088), (4, 31896044), (8, 15948022), (16, 7974011), (1999, 63824), (3989, 31984), (3998, 31912), (7978, 15992), (7996, 15956)]