16645128

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^2$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 42918480

約数和(自身を除く): 26273352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 127, 129, 172, 254, 258, 344, 381, 508, 516, 762, 1016, 1032, 1524, 3048, 5461, 10922, 16129, 16383, 21844, 32258, 32766, 43688, 48387, 64516, 65532, 96774, 129032, 131064, 193548, 387096, 693547, 1387094, 2080641, 2774188, 4161282, 5548376, 8322564, 16645128]

約数ペア:

[(1, 16645128), (2, 8322564), (3, 5548376), (4, 4161282), (6, 2774188), (8, 2080641), (12, 1387094), (24, 693547), (43, 387096), (86, 193548), (127, 131064), (129, 129032), (172, 96774), (254, 65532), (258, 64516), (344, 48387), (381, 43688), (508, 32766), (516, 32258), (762, 21844), (1016, 16383), (1032, 16129), (1524, 10922), (3048, 5461)]