81758054

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{253907}}^1$

素因数の和:253939

約数の個数: 16

約数和(自身を含む): 146251008

約数和(自身を除く): 64492954

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 253907, 507814, 1777349, 3554698, 5839861, 11679722, 40879027, 81758054]

約数ペア:

[(1, 81758054), (2, 40879027), (7, 11679722), (14, 5839861), (23, 3554698), (46, 1777349), (161, 507814), (322, 253907)]