168439172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{19237}}^1$

素因数の和:19451

約数の個数: 24

約数和(自身を含む): 323198400

約数和(自身を除く): 154759228

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 4378, 8756, 19237, 38474, 76948, 211607, 423214, 846428, 3828163, 7656326, 15312652, 42109793, 84219586, 168439172]

約数ペア:

[(1, 168439172), (2, 84219586), (4, 42109793), (11, 15312652), (22, 7656326), (44, 3828163), (199, 846428), (398, 423214), (796, 211607), (2189, 76948), (4378, 38474), (8756, 19237)]