199987678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{11821}}^1$

素因数の和:12603

約数の個数: 16

約数和(自身を含む): 327705840

約数和(自身を除く): 127718162

約数列:

[1, 2, 11, 22, 769, 1538, 8459, 11821, 16918, 23642, 130031, 260062, 9090349, 18180698, 99993839, 199987678]

約数ペア:

[(1, 199987678), (2, 99993839), (11, 18180698), (22, 9090349), (769, 260062), (1538, 130031), (8459, 23642), (11821, 16918)]