256424

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 580800

約数和(自身を除く): 324376

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 241, 266, 482, 532, 964, 1064, 1687, 1928, 3374, 4579, 6748, 9158, 13496, 18316, 32053, 36632, 64106, 128212, 256424]

約数ペア:

[(1, 256424), (2, 128212), (4, 64106), (7, 36632), (8, 32053), (14, 18316), (19, 13496), (28, 9158), (38, 6748), (56, 4579), (76, 3374), (133, 1928), (152, 1687), (241, 1064), (266, 964), (482, 532)]