13990394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 24482304

約数和(自身を除く): 10491910

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 643, 946, 989, 1286, 1978, 7073, 10879, 14146, 14789, 21758, 27649, 29578, 55298, 162679, 304139, 325358, 608278, 635927, 1271854, 6995197, 13990394]

約数ペア:

[(1, 13990394), (2, 6995197), (11, 1271854), (22, 635927), (23, 608278), (43, 325358), (46, 304139), (86, 162679), (253, 55298), (473, 29578), (506, 27649), (643, 21758), (946, 14789), (989, 14146), (1286, 10879), (1978, 7073)]