12721494436

素因数分解:

$2^2\times 7^1\times {\mathrm{2609}}^1\times {\mathrm{174143}}^1$

素因数の和:176763

約数の個数: 24

約数和(自身を含む): 25452887040

約数和(自身を除く): 12731392604

約数列:

[1, 2, 4, 7, 14, 28, 2609, 5218, 10436, 18263, 36526, 73052, 174143, 348286, 696572, 1219001, 2438002, 4876004, 454339087, 908678174, 1817356348, 3180373609, 6360747218, 12721494436]

約数ペア:

[(1, 12721494436), (2, 6360747218), (4, 3180373609), (7, 1817356348), (14, 908678174), (28, 454339087), (2609, 4876004), (5218, 2438002), (10436, 1219001), (18263, 696572), (36526, 348286), (73052, 174143)]