172665790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{142699}}^1$

素因数の和:142728

約数の個数: 24

約数和(自身を含む): 341623800

約数和(自身を除く): 168958010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 142699, 285398, 713495, 1426990, 1569689, 3139378, 7848445, 15696890, 17266579, 34533158, 86332895, 172665790]

約数ペア:

[(1, 172665790), (2, 86332895), (5, 34533158), (10, 17266579), (11, 15696890), (22, 7848445), (55, 3139378), (110, 1569689), (121, 1426990), (242, 713495), (605, 285398), (1210, 142699)]