289678895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{863}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 403107840

約数和(自身を除く): 113428945

約数列:

[1, 5, 11, 17, 55, 85, 187, 359, 863, 935, 1795, 3949, 4315, 6103, 9493, 14671, 19745, 30515, 47465, 67133, 73355, 161381, 309817, 335665, 806905, 1549085, 3407987, 5266889, 17039935, 26334445, 57935779, 289678895]

約数ペア:

[(1, 289678895), (5, 57935779), (11, 26334445), (17, 17039935), (55, 5266889), (85, 3407987), (187, 1549085), (359, 806905), (863, 335665), (935, 309817), (1795, 161381), (3949, 73355), (4315, 67133), (6103, 47465), (9493, 30515), (14671, 19745)]