280885297

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8543}}^1$

素因数の和:8629

約数の個数: 24

約数和(自身を含む): 362333952

約数和(自身を除く): 81448655

約数列:

[1, 7, 11, 49, 61, 77, 427, 539, 671, 2989, 4697, 8543, 32879, 59801, 93973, 418607, 521123, 657811, 3647861, 4604677, 5732353, 25535027, 40126471, 280885297]

約数ペア:

[(1, 280885297), (7, 40126471), (11, 25535027), (49, 5732353), (61, 4604677), (77, 3647861), (427, 657811), (539, 521123), (671, 418607), (2989, 93973), (4697, 59801), (8543, 32879)]