28209468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{673}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 75488000

約数和(自身を除く): 47278532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 499, 673, 998, 1346, 1497, 1996, 2019, 2692, 2994, 3493, 4038, 4711, 5988, 6986, 8076, 9422, 10479, 13972, 14133, 18844, 20958, 28266, 41916, 56532, 335827, 671654, 1007481, 1343308, 2014962, 2350789, 4029924, 4701578, 7052367, 9403156, 14104734, 28209468]

約数ペア:

[(1, 28209468), (2, 14104734), (3, 9403156), (4, 7052367), (6, 4701578), (7, 4029924), (12, 2350789), (14, 2014962), (21, 1343308), (28, 1007481), (42, 671654), (84, 335827), (499, 56532), (673, 41916), (998, 28266), (1346, 20958), (1497, 18844), (1996, 14133), (2019, 13972), (2692, 10479), (2994, 9422), (3493, 8076), (4038, 6986), (4711, 5988)]