8871115

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 32

約数和(自身を含む): 12367872

約数和(自身を除く): 3496757

約数列:

[1, 5, 11, 31, 43, 55, 121, 155, 215, 341, 473, 605, 1331, 1333, 1705, 2365, 3751, 5203, 6655, 6665, 14663, 18755, 26015, 41261, 57233, 73315, 161293, 206305, 286165, 806465, 1774223, 8871115]

約数ペア:

[(1, 8871115), (5, 1774223), (11, 806465), (31, 286165), (43, 206305), (55, 161293), (121, 73315), (155, 57233), (215, 41261), (341, 26015), (473, 18755), (605, 14663), (1331, 6665), (1333, 6655), (1705, 5203), (2365, 3751)]