208340909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{22063}}^1$

素因数の和:22160

約数の個数: 16

約数和(自身を含む): 254177280

約数和(自身を除く): 45836371

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 22063, 154441, 419197, 1566473, 2934379, 10965311, 29762987, 208340909]

約数ペア:

[(1, 208340909), (7, 29762987), (19, 10965311), (71, 2934379), (133, 1566473), (497, 419197), (1349, 154441), (9443, 22063)]