67867639

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 82954368

約数和(自身を除く): 15086729

約数列:

[1, 7, 19, 107, 133, 251, 361, 749, 1757, 2033, 2527, 4769, 14231, 26857, 33383, 38627, 90611, 187999, 270389, 510283, 634277, 3571981, 9695377, 67867639]

約数ペア:

[(1, 67867639), (7, 9695377), (19, 3571981), (107, 634277), (133, 510283), (251, 270389), (361, 187999), (749, 90611), (1757, 38627), (2033, 33383), (2527, 26857), (4769, 14231)]