257846256

素因数分解:

$2^4\times 3^2\times {\mathrm{1790599}}^1$

素因数の和:1790613

約数の個数: 30

約数和(自身を含む): 721611800

約数和(自身を除く): 463765544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1790599, 3581198, 5371797, 7162396, 10743594, 14324792, 16115391, 21487188, 28649584, 32230782, 42974376, 64461564, 85948752, 128923128, 257846256]

約数ペア:

[(1, 257846256), (2, 128923128), (3, 85948752), (4, 64461564), (6, 42974376), (8, 32230782), (9, 28649584), (12, 21487188), (16, 16115391), (18, 14324792), (24, 10743594), (36, 7162396), (48, 5371797), (72, 3581198), (144, 1790599)]