278546.0000000

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 10289664

約数和(自身を除く): 6171468

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 347, 516, 694, 989, 1041, 1388, 1978, 2082, 2967, 3956, 4164, 5934, 7981, 11868, 14921, 15962, 23943, 29842, 31924, 44763, 47886, 59684, 89526, 95772, 179052, 343183, 686366, 1029549, 1372732, 2059098, 4118196]

約数ペア:

[(1, 4118196), (2, 2059098), (3, 1372732), (4, 1029549), (6, 686366), (12, 343183), (23, 179052), (43, 95772), (46, 89526), (69, 59684), (86, 47886), (92, 44763), (129, 31924), (138, 29842), (172, 23943), (258, 15962), (276, 14921), (347, 11868), (516, 7981), (694, 5934), (989, 4164), (1041, 3956), (1388, 2967), (1978, 2082)]