7874213.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2663}}^1$

素因数の和:2882

約数の個数: 32

約数和(自身を含む): 134265600

約数和(自身を除く): 65373790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 2663, 5174, 5326, 12935, 13315, 25870, 26630, 34619, 69238, 173095, 346190, 529937, 1059874, 2649685, 5299370, 6889181, 13778362, 34445905, 68891810]

約数ペア:

[(1, 68891810), (2, 34445905), (5, 13778362), (10, 6889181), (13, 5299370), (26, 2649685), (65, 1059874), (130, 529937), (199, 346190), (398, 173095), (995, 69238), (1990, 34619), (2587, 26630), (2663, 25870), (5174, 13315), (5326, 12935)]