256040376

素因数分解:

$2^3\times 3^1\times {\mathrm{691}}^1\times {\mathrm{15439}}^1$

素因数の和:16139

約数の個数: 32

約数和(自身を含む): 641068800

約数和(自身を除く): 385028424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 691, 1382, 2073, 2764, 4146, 5528, 8292, 15439, 16584, 30878, 46317, 61756, 92634, 123512, 185268, 370536, 10668349, 21336698, 32005047, 42673396, 64010094, 85346792, 128020188, 256040376]

約数ペア:

[(1, 256040376), (2, 128020188), (3, 85346792), (4, 64010094), (6, 42673396), (8, 32005047), (12, 21336698), (24, 10668349), (691, 370536), (1382, 185268), (2073, 123512), (2764, 92634), (4146, 61756), (5528, 46317), (8292, 30878), (15439, 16584)]