256312432

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{17939}}^1$

素因数の和:18013

約数の個数: 40

約数和(自身を含む): 533894400

約数和(自身を除く): 277581968

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 17939, 35878, 71756, 143512, 287024, 340841, 681682, 843133, 1363364, 1686266, 2726728, 3372532, 5453456, 6745064, 13490128, 16019527, 32039054, 64078108, 128156216, 256312432]

約数ペア:

[(1, 256312432), (2, 128156216), (4, 64078108), (8, 32039054), (16, 16019527), (19, 13490128), (38, 6745064), (47, 5453456), (76, 3372532), (94, 2726728), (152, 1686266), (188, 1363364), (304, 843133), (376, 681682), (752, 340841), (893, 287024), (1786, 143512), (3572, 71756), (7144, 35878), (14288, 17939)]