78834128

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{35447}}^1$

素因数の和:35594

約数の個数: 20

約数和(自身を含む): 153844320

約数和(自身を除く): 75010192

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 35447, 70894, 141788, 283576, 567152, 4927133, 9854266, 19708532, 39417064, 78834128]

約数ペア:

[(1, 78834128), (2, 39417064), (4, 19708532), (8, 9854266), (16, 4927133), (139, 567152), (278, 283576), (556, 141788), (1112, 70894), (2224, 35447)]