87890257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{50833}}^1$

素因数の和:50872

約数の個数: 16

約数和(自身を含む): 113868160

約数和(自身を除く): 25977903

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 50833, 355831, 660829, 965827, 4625803, 6760789, 12555751, 87890257]

約数ペア:

[(1, 87890257), (7, 12555751), (13, 6760789), (19, 4625803), (91, 965827), (133, 660829), (247, 355831), (1729, 50833)]