680699548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{218453}}^1$

素因数の和:218517

約数の個数: 24

約数和(自身を含む): 1284509520

約数和(自身を除く): 603809972

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 218453, 436906, 873812, 4150607, 8301214, 8956573, 16602428, 17913146, 35826292, 170174887, 340349774, 680699548]

約数ペア:

[(1, 680699548), (2, 340349774), (4, 170174887), (19, 35826292), (38, 17913146), (41, 16602428), (76, 8956573), (82, 8301214), (164, 4150607), (779, 873812), (1558, 436906), (3116, 218453)]