12942720007

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{501209}}^1$

素因数の和:501271

約数の個数: 24

約数和(自身を含む): 16455726720

約数和(自身を除く): 3513006713

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 833, 1519, 3689, 25823, 501209, 3508463, 8520553, 15537479, 24559241, 59643871, 108762353, 264137143, 417507097, 761336471, 1848960001, 12942720007]

約数ペア:

[(1, 12942720007), (7, 1848960001), (17, 761336471), (31, 417507097), (49, 264137143), (119, 108762353), (217, 59643871), (527, 24559241), (833, 15537479), (1519, 8520553), (3689, 3508463), (25823, 501209)]