78967568

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{35507}}^1$

素因数の和:35654

約数の個数: 20

約数和(自身を含む): 154104720

約数和(自身を除く): 75137152

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 35507, 71014, 142028, 284056, 568112, 4935473, 9870946, 19741892, 39483784, 78967568]

約数ペア:

[(1, 78967568), (2, 39483784), (4, 19741892), (8, 9870946), (16, 4935473), (139, 568112), (278, 284056), (556, 142028), (1112, 71014), (2224, 35507)]