68687788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{24923}}^1$

素因数の和:24993

約数の個数: 24

約数和(自身を含む): 131897808

約数和(自身を除く): 63210020

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 24923, 49846, 99692, 323999, 647998, 1295996, 1320919, 2641838, 5283676, 17171947, 34343894, 68687788]

約数ペア:

[(1, 68687788), (2, 34343894), (4, 17171947), (13, 5283676), (26, 2641838), (52, 1320919), (53, 1295996), (106, 647998), (212, 323999), (689, 99692), (1378, 49846), (2756, 24923)]