28159668

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{18191}}^1$

素因数の和:18244

約数の個数: 36

約数和(自身を含む): 72840768

約数和(自身を除く): 44681100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 18191, 36382, 54573, 72764, 109146, 163719, 218292, 327438, 654876, 782213, 1564426, 2346639, 3128852, 4693278, 7039917, 9386556, 14079834, 28159668]

約数ペア:

[(1, 28159668), (2, 14079834), (3, 9386556), (4, 7039917), (6, 4693278), (9, 3128852), (12, 2346639), (18, 1564426), (36, 782213), (43, 654876), (86, 327438), (129, 218292), (172, 163719), (258, 109146), (387, 72764), (516, 54573), (774, 36382), (1548, 18191)]