77978608

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{113341}}^1$

素因数の和:113392

約数の個数: 20

約数和(自身を含む): 154598488

約数和(自身を除く): 76619880

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 113341, 226682, 453364, 906728, 1813456, 4873663, 9747326, 19494652, 38989304, 77978608]

約数ペア:

[(1, 77978608), (2, 38989304), (4, 19494652), (8, 9747326), (16, 4873663), (43, 1813456), (86, 906728), (172, 453364), (344, 226682), (688, 113341)]