81438409

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 91138320

約数和(自身を除く): 9699911

約数列:

[1, 13, 29, 337, 377, 641, 4381, 8333, 9773, 18589, 127049, 216017, 241657, 2808221, 6264493, 81438409]

約数ペア:

[(1, 81438409), (13, 6264493), (29, 2808221), (337, 241657), (377, 216017), (641, 127049), (4381, 18589), (8333, 9773)]