78890004

素因数分解:

$2^2\times 3^3\times {\mathrm{647}}^1\times {\mathrm{1129}}^1$

素因数の和:1789

約数の個数: 48

約数和(自身を含む): 205027200

約数和(自身を除く): 126137196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 647, 1129, 1294, 1941, 2258, 2588, 3387, 3882, 4516, 5823, 6774, 7764, 10161, 11646, 13548, 17469, 20322, 23292, 30483, 34938, 40644, 60966, 69876, 121932, 730463, 1460926, 2191389, 2921852, 4382778, 6574167, 8765556, 13148334, 19722501, 26296668, 39445002, 78890004]

約数ペア:

[(1, 78890004), (2, 39445002), (3, 26296668), (4, 19722501), (6, 13148334), (9, 8765556), (12, 6574167), (18, 4382778), (27, 2921852), (36, 2191389), (54, 1460926), (108, 730463), (647, 121932), (1129, 69876), (1294, 60966), (1941, 40644), (2258, 34938), (2588, 30483), (3387, 23292), (3882, 20322), (4516, 17469), (5823, 13548), (6774, 11646), (7764, 10161)]