78889492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{2137}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 150857280

約数和(自身を除く): 71967788

約数列:

[1, 2, 4, 11, 22, 44, 839, 1678, 2137, 3356, 4274, 8548, 9229, 18458, 23507, 36916, 47014, 94028, 1792943, 3585886, 7171772, 19722373, 39444746, 78889492]

約数ペア:

[(1, 78889492), (2, 39444746), (4, 19722373), (11, 7171772), (22, 3585886), (44, 1792943), (839, 94028), (1678, 47014), (2137, 36916), (3356, 23507), (4274, 18458), (8548, 9229)]