131554252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{3943}}^1$

素因数の和:4405

約数の個数: 24

約数和(自身を含む): 242950400

約数和(自身を除く): 111396148

約数列:

[1, 2, 4, 19, 38, 76, 439, 878, 1756, 3943, 7886, 8341, 15772, 16682, 33364, 74917, 149834, 299668, 1730977, 3461954, 6923908, 32888563, 65777126, 131554252]

約数ペア:

[(1, 131554252), (2, 65777126), (4, 32888563), (19, 6923908), (38, 3461954), (76, 1730977), (439, 299668), (878, 149834), (1756, 74917), (3943, 33364), (7886, 16682), (8341, 15772)]