203927984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{980423}}^1$

素因数の和:980444

約数の個数: 20

約数和(自身を含む): 425504016

約数和(自身を除く): 221576032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 980423, 1960846, 3921692, 7843384, 12745499, 15686768, 25490998, 50981996, 101963992, 203927984]

約数ペア:

[(1, 203927984), (2, 101963992), (4, 50981996), (8, 25490998), (13, 15686768), (16, 12745499), (26, 7843384), (52, 3921692), (104, 1960846), (208, 980423)]