199999778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1933}}^1\times {\mathrm{4703}}^1$

素因数の和:6649

約数の個数: 16

約数和(自身を含む): 327511296

約数和(自身を除く): 127511518

約数列:

[1, 2, 11, 22, 1933, 3866, 4703, 9406, 21263, 42526, 51733, 103466, 9090899, 18181798, 99999889, 199999778]

約数ペア:

[(1, 199999778), (2, 99999889), (11, 18181798), (22, 9090899), (1933, 103466), (3866, 51733), (4703, 42526), (9406, 21263)]