8407984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{40423}}^1$

素因数の和:40444

約数の個数: 20

約数和(自身を含む): 17544016

約数和(自身を除く): 9136032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 40423, 80846, 161692, 323384, 525499, 646768, 1050998, 2101996, 4203992, 8407984]

約数ペア:

[(1, 8407984), (2, 4203992), (4, 2101996), (8, 1050998), (13, 646768), (16, 525499), (26, 323384), (52, 161692), (104, 80846), (208, 40423)]