189968779

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1879}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 257725440

約数和(自身を除く): 67756661

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 707, 1001, 1111, 1313, 1879, 7777, 9191, 13153, 14443, 20669, 24427, 101101, 144683, 170989, 189779, 268697, 1328453, 1880879, 2087569, 2467127, 14612983, 17269889, 27138397, 189968779]

約数ペア:

[(1, 189968779), (7, 27138397), (11, 17269889), (13, 14612983), (77, 2467127), (91, 2087569), (101, 1880879), (143, 1328453), (707, 268697), (1001, 189779), (1111, 170989), (1313, 144683), (1879, 101101), (7777, 24427), (9191, 20669), (13153, 14443)]