12981566

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 24

約数和(自身を含む): 21301200

約数和(自身を除く): 8319634

約数列:

[1, 2, 13, 26, 169, 193, 199, 338, 386, 398, 2509, 2587, 5018, 5174, 32617, 33631, 38407, 65234, 67262, 76814, 499291, 998582, 6490783, 12981566]

約数ペア:

[(1, 12981566), (2, 6490783), (13, 998582), (26, 499291), (169, 76814), (193, 67262), (199, 65234), (338, 38407), (386, 33631), (398, 32617), (2509, 5174), (2587, 5018)]