2495213

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 3054720

約数和(自身を除く): 559507

約数列:

[1, 7, 19, 73, 133, 257, 511, 1387, 1799, 4883, 9709, 18761, 34181, 131327, 356459, 2495213]

約数ペア:

[(1, 2495213), (7, 356459), (19, 131327), (73, 34181), (133, 18761), (257, 9709), (511, 4883), (1387, 1799)]