212640001

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{6221}}^1$

素因数の和:6504

約数の個数: 16

約数和(自身を含む): 256844160

約数和(自身を除く): 44204159

約数列:

[1, 7, 19, 133, 257, 1799, 4883, 6221, 34181, 43547, 118199, 827393, 1598797, 11191579, 30377143, 212640001]

約数ペア:

[(1, 212640001), (7, 30377143), (19, 11191579), (133, 1598797), (257, 827393), (1799, 118199), (4883, 43547), (6221, 34181)]