128385412

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{1811}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 231356160

約数和(自身を除く): 102970748

約数列:

[1, 2, 4, 37, 74, 148, 479, 958, 1811, 1916, 3622, 7244, 17723, 35446, 67007, 70892, 134014, 268028, 867469, 1734938, 3469876, 32096353, 64192706, 128385412]

約数ペア:

[(1, 128385412), (2, 64192706), (4, 32096353), (37, 3469876), (74, 1734938), (148, 867469), (479, 268028), (958, 134014), (1811, 70892), (1916, 67007), (3622, 35446), (7244, 17723)]