2178846

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 4891680

約数和(自身を除く): 2712834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 257, 314, 471, 514, 771, 942, 1413, 1542, 2313, 2826, 4239, 4626, 6939, 8478, 13878, 40349, 80698, 121047, 242094, 363141, 726282, 1089423, 2178846]

約数ペア:

[(1, 2178846), (2, 1089423), (3, 726282), (6, 363141), (9, 242094), (18, 121047), (27, 80698), (54, 40349), (157, 13878), (257, 8478), (314, 6939), (471, 4626), (514, 4239), (771, 2826), (942, 2313), (1413, 1542)]