208686478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{104239}}^1$

素因数の和:104272

約数の個数: 32

約数和(自身を含む): 420295680

約数和(自身を除く): 211609202

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 104239, 208478, 729673, 1146629, 1355107, 1459346, 2293258, 2710214, 8026403, 9485749, 14906177, 16052806, 18971498, 29812354, 104343239, 208686478]

約数ペア:

[(1, 208686478), (2, 104343239), (7, 29812354), (11, 18971498), (13, 16052806), (14, 14906177), (22, 9485749), (26, 8026403), (77, 2710214), (91, 2293258), (143, 1459346), (154, 1355107), (182, 1146629), (286, 729673), (1001, 208478), (2002, 104239)]