78871628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25247}}^1$

素因数の和:25333

約数の個数: 24

約数和(自身を含む): 152699904

約数和(自身を除く): 73828276

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 25247, 50494, 100988, 277717, 555434, 1110868, 1792537, 3585074, 7170148, 19717907, 39435814, 78871628]

約数ペア:

[(1, 78871628), (2, 39435814), (4, 19717907), (11, 7170148), (22, 3585074), (44, 1792537), (71, 1110868), (142, 555434), (284, 277717), (781, 100988), (1562, 50494), (3124, 25247)]