68635721

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4391}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 90123840

約数和(自身を除く): 21488119

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1421, 2233, 4391, 15631, 30737, 48301, 127339, 215159, 338107, 891373, 1400729, 2366749, 6239611, 9805103, 68635721]

約数ペア:

[(1, 68635721), (7, 9805103), (11, 6239611), (29, 2366749), (49, 1400729), (77, 891373), (203, 338107), (319, 215159), (539, 127339), (1421, 48301), (2233, 30737), (4391, 15631)]