161788739

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1613}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 198715680

約数和(自身を除く): 36926941

約数列:

[1, 7, 23, 49, 89, 161, 623, 1127, 1613, 2047, 4361, 11291, 14329, 37099, 79037, 100303, 143557, 259693, 1004899, 1817851, 3301811, 7034293, 23112677, 161788739]

約数ペア:

[(1, 161788739), (7, 23112677), (23, 7034293), (49, 3301811), (89, 1817851), (161, 1004899), (623, 259693), (1127, 143557), (1613, 100303), (2047, 79037), (4361, 37099), (11291, 14329)]