199864505

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1\times {\mathrm{1031}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 242676864

約数和(自身を除く): 42812359

約数列:

[1, 5, 137, 283, 685, 1031, 1415, 5155, 38771, 141247, 193855, 291773, 706235, 1458865, 39972901, 199864505]

約数ペア:

[(1, 199864505), (5, 39972901), (137, 1458865), (283, 706235), (685, 291773), (1031, 193855), (1415, 141247), (5155, 38771)]