81668720639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{687893}}^1$

素因数の和:688198

約数の個数: 16

約数和(自身を含む): 91528424064

約数和(自身を除く): 9859703425

約数列:

[1, 11, 43, 251, 473, 2761, 10793, 118723, 687893, 7566823, 29579399, 172661143, 325373389, 1899272573, 7424429149, 81668720639]

約数ペア:

[(1, 81668720639), (11, 7424429149), (43, 1899272573), (251, 325373389), (473, 172661143), (2761, 29579399), (10793, 7566823), (118723, 687893)]