77998739

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{9419}}^1$

素因数の和:9459

約数の個数: 18

約数和(自身を含む): 98260020

約数和(自身を除く): 20261281

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 9419, 65933, 122447, 461531, 857129, 1591811, 5999903, 11142677, 77998739]

約数ペア:

[(1, 77998739), (7, 11142677), (13, 5999903), (49, 1591811), (91, 857129), (169, 461531), (637, 122447), (1183, 65933), (8281, 9419)]