868857913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28859}}^1$

素因数の和:28917

約数の個数: 32

約数和(自身を含む): 1196881920

約数和(自身を除く): 328024007

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2737, 4301, 28859, 30107, 202013, 317449, 490603, 663757, 2222143, 3434221, 4646299, 5396633, 7301327, 11283869, 37776431, 51109289, 78987083, 124122559, 868857913]

約数ペア:

[(1, 868857913), (7, 124122559), (11, 78987083), (17, 51109289), (23, 37776431), (77, 11283869), (119, 7301327), (161, 5396633), (187, 4646299), (253, 3434221), (391, 2222143), (1309, 663757), (1771, 490603), (2737, 317449), (4301, 202013), (28859, 30107)]