28147588

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 59812480

約数和(自身を除く): 31664892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 314, 337, 532, 628, 674, 1099, 1348, 2198, 2359, 2983, 4396, 4718, 5966, 6403, 9436, 11932, 12806, 20881, 25612, 41762, 44821, 52909, 83524, 89642, 105818, 179284, 211636, 370363, 740726, 1005271, 1481452, 2010542, 4021084, 7036897, 14073794, 28147588]

約数ペア:

[(1, 28147588), (2, 14073794), (4, 7036897), (7, 4021084), (14, 2010542), (19, 1481452), (28, 1005271), (38, 740726), (76, 370363), (133, 211636), (157, 179284), (266, 105818), (314, 89642), (337, 83524), (532, 52909), (628, 44821), (674, 41762), (1099, 25612), (1348, 20881), (2198, 12806), (2359, 11932), (2983, 9436), (4396, 6403), (4718, 5966)]