28808108

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 59963904

約数和(自身を除く): 31155796

約数列:

[1, 2, 4, 7, 14, 28, 43, 71, 86, 142, 172, 284, 301, 337, 497, 602, 674, 994, 1204, 1348, 1988, 2359, 3053, 4718, 6106, 9436, 12212, 14491, 21371, 23927, 28982, 42742, 47854, 57964, 85484, 95708, 101437, 167489, 202874, 334978, 405748, 669956, 1028861, 2057722, 4115444, 7202027, 14404054, 28808108]

約数ペア:

[(1, 28808108), (2, 14404054), (4, 7202027), (7, 4115444), (14, 2057722), (28, 1028861), (43, 669956), (71, 405748), (86, 334978), (142, 202874), (172, 167489), (284, 101437), (301, 95708), (337, 85484), (497, 57964), (602, 47854), (674, 42742), (994, 28982), (1204, 23927), (1348, 21371), (1988, 14491), (2359, 12212), (3053, 9436), (4718, 6106)]