208708276

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{140639}}^1$

素因数の和:140703

約数の個数: 24

約数和(自身を含む): 425295360

約数和(自身を除く): 216587084

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 140639, 281278, 562556, 984473, 1968946, 3937892, 7453867, 14907734, 29815468, 52177069, 104354138, 208708276]

約数ペア:

[(1, 208708276), (2, 104354138), (4, 52177069), (7, 29815468), (14, 14907734), (28, 7453867), (53, 3937892), (106, 1968946), (212, 984473), (371, 562556), (742, 281278), (1484, 140639)]