128424772

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{9011}}^1$

素因数の和:9531

約数の個数: 24

約数和(自身を含む): 257382720

約数和(自身を除く): 128957948

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 2036, 3563, 7126, 9011, 14252, 18022, 36044, 63077, 126154, 252308, 4586599, 9173198, 18346396, 32106193, 64212386, 128424772]

約数ペア:

[(1, 128424772), (2, 64212386), (4, 32106193), (7, 18346396), (14, 9173198), (28, 4586599), (509, 252308), (1018, 126154), (2036, 63077), (3563, 36044), (7126, 18022), (9011, 14252)]