239821578

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{809}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 533744640

約数和(自身を除く): 293923062

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 383, 387, 766, 774, 809, 1149, 1618, 2298, 2427, 3447, 4854, 6894, 7281, 14562, 16469, 32938, 34787, 49407, 69574, 98814, 104361, 148221, 208722, 296442, 309847, 313083, 619694, 626166, 929541, 1859082, 2788623, 5577246, 13323421, 26646842, 39970263, 79940526, 119910789, 239821578]

約数ペア:

[(1, 239821578), (2, 119910789), (3, 79940526), (6, 39970263), (9, 26646842), (18, 13323421), (43, 5577246), (86, 2788623), (129, 1859082), (258, 929541), (383, 626166), (387, 619694), (766, 313083), (774, 309847), (809, 296442), (1149, 208722), (1618, 148221), (2298, 104361), (2427, 98814), (3447, 69574), (4854, 49407), (6894, 34787), (7281, 32938), (14562, 16469)]