640752

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1907}}^1$

素因数の和:1925

約数の個数: 40

約数和(自身を含む): 1892736

約数和(自身を除く): 1251984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1907, 3814, 5721, 7628, 11442, 13349, 15256, 22884, 26698, 30512, 40047, 45768, 53396, 80094, 91536, 106792, 160188, 213584, 320376, 640752]

約数ペア:

[(1, 640752), (2, 320376), (3, 213584), (4, 160188), (6, 106792), (7, 91536), (8, 80094), (12, 53396), (14, 45768), (16, 40047), (21, 30512), (24, 26698), (28, 22884), (42, 15256), (48, 13349), (56, 11442), (84, 7628), (112, 5721), (168, 3814), (336, 1907)]