15678548432

素因数分解:

$2^4\times {\mathrm{2539}}^1\times {\mathrm{385943}}^1$

素因数の和:388490

約数の個数: 20

約数和(自身を含む): 30389230560

約数和(自身を除く): 14710682128

約数列:

[1, 2, 4, 8, 16, 2539, 5078, 10156, 20312, 40624, 385943, 771886, 1543772, 3087544, 6175088, 979909277, 1959818554, 3919637108, 7839274216, 15678548432]

約数ペア:

[(1, 15678548432), (2, 7839274216), (4, 3919637108), (8, 1959818554), (16, 979909277), (2539, 6175088), (5078, 3087544), (10156, 1543772), (20312, 771886), (40624, 385943)]