86781805

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{751}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 115218432

約数和(自身を除く): 28436627

約数列:

[1, 5, 11, 55, 121, 191, 605, 751, 955, 2101, 3755, 8261, 10505, 23111, 41305, 90871, 115555, 143441, 454355, 717205, 1577851, 7889255, 17356361, 86781805]

約数ペア:

[(1, 86781805), (5, 17356361), (11, 7889255), (55, 1577851), (121, 717205), (191, 454355), (605, 143441), (751, 115555), (955, 90871), (2101, 41305), (3755, 23111), (8261, 10505)]