81571128

素因数分解:

$2^3\times 3^1\times {\mathrm{307}}^1\times {\mathrm{11071}}^1$

素因数の和:11387

約数の個数: 32

約数和(自身を含む): 204610560

約数和(自身を除く): 123039432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 307, 614, 921, 1228, 1842, 2456, 3684, 7368, 11071, 22142, 33213, 44284, 66426, 88568, 132852, 265704, 3398797, 6797594, 10196391, 13595188, 20392782, 27190376, 40785564, 81571128]

約数ペア:

[(1, 81571128), (2, 40785564), (3, 27190376), (4, 20392782), (6, 13595188), (8, 10196391), (12, 6797594), (24, 3398797), (307, 265704), (614, 132852), (921, 88568), (1228, 66426), (1842, 44284), (2456, 33213), (3684, 22142), (7368, 11071)]