778764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 2121728

約数和(自身を除く): 1342964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 127, 146, 219, 254, 292, 381, 438, 508, 511, 762, 876, 889, 1022, 1524, 1533, 1778, 2044, 2667, 3066, 3556, 5334, 6132, 9271, 10668, 18542, 27813, 37084, 55626, 64897, 111252, 129794, 194691, 259588, 389382, 778764]

約数ペア:

[(1, 778764), (2, 389382), (3, 259588), (4, 194691), (6, 129794), (7, 111252), (12, 64897), (14, 55626), (21, 37084), (28, 27813), (42, 18542), (73, 10668), (84, 9271), (127, 6132), (146, 5334), (219, 3556), (254, 3066), (292, 2667), (381, 2044), (438, 1778), (508, 1533), (511, 1524), (762, 1022), (876, 889)]