31525978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 54720000

約数和(自身を除く): 23194022

約数列:

[1, 2, 11, 19, 22, 38, 199, 209, 379, 398, 418, 758, 2189, 3781, 4169, 4378, 7201, 7562, 8338, 14402, 41591, 75421, 79211, 83182, 150842, 158422, 829631, 1432999, 1659262, 2865998, 15762989, 31525978]

約数ペア:

[(1, 31525978), (2, 15762989), (11, 2865998), (19, 1659262), (22, 1432999), (38, 829631), (199, 158422), (209, 150842), (379, 83182), (398, 79211), (418, 75421), (758, 41591), (2189, 14402), (3781, 8338), (4169, 7562), (4378, 7201)]