901868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 1747200

約数和(自身を除く): 845332

約数列:

[1, 2, 4, 11, 22, 44, 103, 199, 206, 398, 412, 796, 1133, 2189, 2266, 4378, 4532, 8756, 20497, 40994, 81988, 225467, 450934, 901868]

約数ペア:

[(1, 901868), (2, 450934), (4, 225467), (11, 81988), (22, 40994), (44, 20497), (103, 8756), (199, 4532), (206, 4378), (398, 2266), (412, 2189), (796, 1133)]