12999974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:300

約数の個数: 24

約数和(自身を含む): 21849408

約数和(自身を除く): 8849434

約数列:

[1, 2, 13, 26, 31, 62, 127, 254, 403, 806, 1651, 3302, 3937, 7874, 16129, 32258, 51181, 102362, 209677, 419354, 499999, 999998, 6499987, 12999974]

約数ペア:

[(1, 12999974), (2, 6499987), (13, 999998), (26, 499999), (31, 419354), (62, 209677), (127, 102362), (254, 51181), (403, 32258), (806, 16129), (1651, 7874), (3302, 3937)]