2008403995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1\times {\mathrm{1021}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 2651673024

約数和(自身を除く): 643269029

約数列:

[1, 5, 13, 53, 65, 265, 571, 689, 1021, 2855, 3445, 5105, 7423, 13273, 30263, 37115, 54113, 66365, 151315, 270565, 393419, 582991, 703469, 1967095, 2914955, 3517345, 7578883, 30898523, 37894415, 154492615, 401680799, 2008403995]

約数ペア:

[(1, 2008403995), (5, 401680799), (13, 154492615), (53, 37894415), (65, 30898523), (265, 7578883), (571, 3517345), (689, 2914955), (1021, 1967095), (2855, 703469), (3445, 582991), (5105, 393419), (7423, 270565), (13273, 151315), (30263, 66365), (37115, 54113)]