68231284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21841}}^1$

素因数の和:21927

約数の個数: 24

約数和(自身を含む): 132100416

約数和(自身を除く): 63869132

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 21841, 43682, 87364, 240251, 480502, 961004, 1550711, 3101422, 6202844, 17057821, 34115642, 68231284]

約数ペア:

[(1, 68231284), (2, 34115642), (4, 17057821), (11, 6202844), (22, 3101422), (44, 1550711), (71, 961004), (142, 480502), (284, 240251), (781, 87364), (1562, 43682), (3124, 21841)]