12997439

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{613}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 16091712

約数和(自身を除く): 3094273

約数列:

[1, 7, 13, 91, 233, 613, 1631, 3029, 4291, 7969, 21203, 55783, 142829, 999803, 1856777, 12997439]

約数ペア:

[(1, 12997439), (7, 1856777), (13, 999803), (91, 142829), (233, 55783), (613, 21203), (1631, 7969), (3029, 4291)]