168795988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 318689280

約数和(自身を除く): 149893292

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 103, 188, 206, 379, 412, 758, 1081, 1516, 2162, 2369, 4324, 4738, 4841, 8717, 9476, 9682, 17434, 17813, 19364, 34868, 35626, 39037, 71252, 78074, 111343, 156148, 222686, 409699, 445372, 819398, 897851, 1638796, 1795702, 1834739, 3591404, 3669478, 7338956, 42198997, 84397994, 168795988]

約数ペア:

[(1, 168795988), (2, 84397994), (4, 42198997), (23, 7338956), (46, 3669478), (47, 3591404), (92, 1834739), (94, 1795702), (103, 1638796), (188, 897851), (206, 819398), (379, 445372), (412, 409699), (758, 222686), (1081, 156148), (1516, 111343), (2162, 78074), (2369, 71252), (4324, 39037), (4738, 35626), (4841, 34868), (8717, 19364), (9476, 17813), (9682, 17434)]