279284478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{6581}}^1$

素因数の和:7240

約数の個数: 32

約数和(自身を含む): 610388352

約数和(自身を除く): 331103874

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 643, 1286, 1929, 3858, 6581, 7073, 13162, 14146, 19743, 21219, 39486, 42438, 72391, 144782, 217173, 434346, 4231583, 8463166, 12694749, 25389498, 46547413, 93094826, 139642239, 279284478]

約数ペア:

[(1, 279284478), (2, 139642239), (3, 93094826), (6, 46547413), (11, 25389498), (22, 12694749), (33, 8463166), (66, 4231583), (643, 434346), (1286, 217173), (1929, 144782), (3858, 72391), (6581, 42438), (7073, 39486), (13162, 21219), (14146, 19743)]