7942090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 15523200

約数和(自身を除く): 7581110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 307, 398, 614, 995, 1535, 1990, 2587, 3070, 3991, 5174, 7982, 12935, 19955, 25870, 39910, 61093, 122186, 305465, 610930, 794209, 1588418, 3971045, 7942090]

約数ペア:

[(1, 7942090), (2, 3971045), (5, 1588418), (10, 794209), (13, 610930), (26, 305465), (65, 122186), (130, 61093), (199, 39910), (307, 25870), (398, 19955), (614, 12935), (995, 7982), (1535, 5174), (1990, 3991), (2587, 3070)]