2543758

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 4688640

約数和(自身を除く): 2144882

約数列:

[1, 2, 7, 14, 19, 38, 73, 131, 133, 146, 262, 266, 511, 917, 1022, 1387, 1834, 2489, 2774, 4978, 9563, 9709, 17423, 19126, 19418, 34846, 66941, 133882, 181697, 363394, 1271879, 2543758]

約数ペア:

[(1, 2543758), (2, 1271879), (7, 363394), (14, 181697), (19, 133882), (38, 66941), (73, 34846), (131, 19418), (133, 19126), (146, 17423), (262, 9709), (266, 9563), (511, 4978), (917, 2774), (1022, 2489), (1387, 1834)]