128900788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1153}}^1\times {\mathrm{1471}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 237816320

約数和(自身を除く): 108915532

約数列:

[1, 2, 4, 19, 38, 76, 1153, 1471, 2306, 2942, 4612, 5884, 21907, 27949, 43814, 55898, 87628, 111796, 1696063, 3392126, 6784252, 32225197, 64450394, 128900788]

約数ペア:

[(1, 128900788), (2, 64450394), (4, 32225197), (19, 6784252), (38, 3392126), (76, 1696063), (1153, 111796), (1471, 87628), (2306, 55898), (2942, 43814), (4612, 27949), (5884, 21907)]