68164145

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4561}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 96732648

約数和(自身を除く): 28568503

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 4561, 14945, 22805, 31927, 159635, 223489, 278221, 1117445, 1391105, 1947547, 9737735, 13632829, 68164145]

約数ペア:

[(1, 68164145), (5, 13632829), (7, 9737735), (35, 1947547), (49, 1391105), (61, 1117445), (245, 278221), (305, 223489), (427, 159635), (2135, 31927), (2989, 22805), (4561, 14945)]