201388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 403200

約数和(自身を除く): 201812

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 199, 253, 398, 506, 796, 1012, 2189, 4378, 4577, 8756, 9154, 18308, 50347, 100694, 201388]

約数ペア:

[(1, 201388), (2, 100694), (4, 50347), (11, 18308), (22, 9154), (23, 8756), (44, 4577), (46, 4378), (92, 2189), (199, 1012), (253, 796), (398, 506)]