664996144

素因数分解:

$2^4\times {\mathrm{3967}}^1\times {\mathrm{10477}}^1$

素因数の和:14452

約数の個数: 20

約数和(自身を含む): 1288877824

約数和(自身を除く): 623881680

約数列:

[1, 2, 4, 8, 16, 3967, 7934, 10477, 15868, 20954, 31736, 41908, 63472, 83816, 167632, 41562259, 83124518, 166249036, 332498072, 664996144]

約数ペア:

[(1, 664996144), (2, 332498072), (4, 166249036), (8, 83124518), (16, 41562259), (3967, 167632), (7934, 83816), (10477, 63472), (15868, 41908), (20954, 31736)]