86557289

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1439}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 106767360

約数和(自身を除く): 20210071

約数列:

[1, 7, 13, 91, 661, 1439, 4627, 8593, 10073, 18707, 60151, 130949, 951179, 6658253, 12365327, 86557289]

約数ペア:

[(1, 86557289), (7, 12365327), (13, 6658253), (91, 951179), (661, 130949), (1439, 60151), (4627, 18707), (8593, 10073)]