78647312

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{35363}}^1$

素因数の和:35510

約数の個数: 20

約数和(自身を含む): 153479760

約数和(自身を除く): 74832448

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 35363, 70726, 141452, 282904, 565808, 4915457, 9830914, 19661828, 39323656, 78647312]

約数ペア:

[(1, 78647312), (2, 39323656), (4, 19661828), (8, 9830914), (16, 4915457), (139, 565808), (278, 282904), (556, 141452), (1112, 70726), (2224, 35363)]