290258689

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{9439}}^1$

素因数の和:9660

約数の個数: 16

約数和(自身を含む): 347996160

約数和(自身を除く): 57737471

約数列:

[1, 7, 23, 161, 191, 1337, 4393, 9439, 30751, 66073, 217097, 1519679, 1802849, 12619943, 41465527, 290258689]

約数ペア:

[(1, 290258689), (7, 41465527), (23, 12619943), (161, 1802849), (191, 1519679), (1337, 217097), (4393, 66073), (9439, 30751)]