81130378

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{5273}}^1$

素因数の和:5446

約数の個数: 24

約数和(自身を含む): 142492932

約数和(自身を除く): 61362554

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 2198, 5273, 7693, 10546, 15386, 36911, 73822, 258377, 516754, 827861, 1655722, 5795027, 11590054, 40565189, 81130378]

約数ペア:

[(1, 81130378), (2, 40565189), (7, 11590054), (14, 5795027), (49, 1655722), (98, 827861), (157, 516754), (314, 258377), (1099, 73822), (2198, 36911), (5273, 15386), (7693, 10546)]