661064131

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{883}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 859389440

約数和(自身を除く): 198325309

約数列:

[1, 7, 13, 19, 91, 133, 247, 433, 883, 1729, 3031, 5629, 6181, 8227, 11479, 16777, 39403, 57589, 80353, 106951, 117439, 218101, 382339, 748657, 1526707, 2676373, 4970407, 7264441, 34792849, 50851087, 94437733, 661064131]

約数ペア:

[(1, 661064131), (7, 94437733), (13, 50851087), (19, 34792849), (91, 7264441), (133, 4970407), (247, 2676373), (433, 1526707), (883, 748657), (1729, 382339), (3031, 218101), (5629, 117439), (6181, 106951), (8227, 80353), (11479, 57589), (16777, 39403)]