28478668

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 50954400

約数和(自身を除く): 22475732

約数列:

[1, 2, 4, 71, 142, 149, 284, 298, 596, 673, 1346, 2692, 10579, 21158, 42316, 47783, 95566, 100277, 191132, 200554, 401108, 7119667, 14239334, 28478668]

約数ペア:

[(1, 28478668), (2, 14239334), (4, 7119667), (71, 401108), (142, 200554), (149, 191132), (284, 100277), (298, 95566), (596, 47783), (673, 42316), (1346, 21158), (2692, 10579)]