987868156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{316219}}^1$

素因数の和:316305

約数の個数: 24

約数和(自身を含む): 1912498560

約数和(自身を除く): 924630404

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 316219, 632438, 1264876, 3478409, 6956818, 13913636, 22451549, 44903098, 89806196, 246967039, 493934078, 987868156]

約数ペア:

[(1, 987868156), (2, 493934078), (4, 246967039), (11, 89806196), (22, 44903098), (44, 22451549), (71, 13913636), (142, 6956818), (284, 3478409), (781, 1264876), (1562, 632438), (3124, 316219)]