208729991

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{7129}}^1$

素因数の和:7238

約数の個数: 16

約数和(自身を含む): 232723200

約数和(自身を除く): 23993209

約数列:

[1, 19, 23, 67, 437, 1273, 1541, 7129, 29279, 135451, 163967, 477643, 3115373, 9075217, 10985789, 208729991]

約数ペア:

[(1, 208729991), (19, 10985789), (23, 9075217), (67, 3115373), (437, 477643), (1273, 163967), (1541, 135451), (7129, 29279)]