12390287

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 15857856

約数和(自身を除く): 3467569

約数列:

[1, 7, 13, 49, 53, 91, 367, 371, 637, 689, 2569, 2597, 4771, 4823, 17983, 19451, 33397, 33761, 136157, 233779, 252863, 953099, 1770041, 12390287]

約数ペア:

[(1, 12390287), (7, 1770041), (13, 953099), (49, 252863), (53, 233779), (91, 136157), (367, 33761), (371, 33397), (637, 19451), (689, 17983), (2569, 4823), (2597, 4771)]