31047185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28097}}^1$

素因数の和:28132

約数の個数: 16

約数和(自身を含む): 42484176

約数和(自身を除く): 11436991

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 28097, 140485, 365261, 477649, 1826305, 2388245, 6209437, 31047185]

約数ペア:

[(1, 31047185), (5, 6209437), (13, 2388245), (17, 1826305), (65, 477649), (85, 365261), (221, 140485), (1105, 28097)]