2190643

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 2904720

約数和(自身を除く): 714077

約数列:

[1, 7, 13, 19, 49, 91, 133, 181, 247, 637, 931, 1267, 1729, 2353, 3439, 8869, 12103, 16471, 24073, 44707, 115297, 168511, 312949, 2190643]

約数ペア:

[(1, 2190643), (7, 312949), (13, 168511), (19, 115297), (49, 44707), (91, 24073), (133, 16471), (181, 12103), (247, 8869), (637, 3439), (931, 2353), (1267, 1729)]