77881385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{12491}}^1$

素因数の和:12568

約数の個数: 16

約数和(自身を含む): 98936640

約数和(自身を除く): 21055255

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 12491, 62455, 362239, 537113, 1811195, 2685565, 15576277, 77881385]

約数ペア:

[(1, 77881385), (5, 15576277), (29, 2685565), (43, 1811195), (145, 537113), (215, 362239), (1247, 62455), (6235, 12491)]