161630874

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{242689}}^1$

素因数の和:242734

約数の個数: 24

約数和(自身を含む): 359666580

約数和(自身を除く): 198035706

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 242689, 485378, 728067, 1456134, 2184201, 4368402, 8979493, 17958986, 26938479, 53876958, 80815437, 161630874]

約数ペア:

[(1, 161630874), (2, 80815437), (3, 53876958), (6, 26938479), (9, 17958986), (18, 8979493), (37, 4368402), (74, 2184201), (111, 1456134), (222, 728067), (333, 485378), (666, 242689)]