12981956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 24565464

約数和(自身を除く): 11583508

約数列:

[1, 2, 4, 13, 26, 52, 421, 593, 842, 1186, 1684, 2372, 5473, 7709, 10946, 15418, 21892, 30836, 249653, 499306, 998612, 3245489, 6490978, 12981956]

約数ペア:

[(1, 12981956), (2, 6490978), (4, 3245489), (13, 998612), (26, 499306), (52, 249653), (421, 30836), (593, 21892), (842, 15418), (1186, 10946), (1684, 7709), (2372, 5473)]