72558178

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3001}}^1$

素因数の和:3178

約数の個数: 32

約数和(自身を含む): 136603008

約数和(自身を除く): 64044830

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 157, 314, 1099, 1727, 2198, 3001, 3454, 6002, 12089, 21007, 24178, 33011, 42014, 66022, 231077, 462154, 471157, 942314, 3298099, 5182727, 6596198, 10365454, 36279089, 72558178]

約数ペア:

[(1, 72558178), (2, 36279089), (7, 10365454), (11, 6596198), (14, 5182727), (22, 3298099), (77, 942314), (154, 471157), (157, 462154), (314, 231077), (1099, 66022), (1727, 42014), (2198, 33011), (3001, 24178), (3454, 21007), (6002, 12089)]