289690891

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5101}}^1$

素因数の和:5195

約数の個数: 24

約数和(自身を含む): 360609360

約数和(自身を除く): 70918469

約数列:

[1, 7, 19, 49, 61, 133, 427, 931, 1159, 2989, 5101, 8113, 35707, 56791, 96919, 249949, 311161, 678433, 2178127, 4749031, 5912059, 15246889, 41384413, 289690891]

約数ペア:

[(1, 289690891), (7, 41384413), (19, 15246889), (49, 5912059), (61, 4749031), (133, 2178127), (427, 678433), (931, 311161), (1159, 249949), (2989, 96919), (5101, 56791), (8113, 35707)]