256510956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{6551}}^1$

素因数の和:6822

約数の個数: 48

約数和(自身を含む): 647232768

約数和(自身を除く): 390721812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 251, 502, 753, 1004, 1506, 3012, 3263, 6526, 6551, 9789, 13052, 13102, 19578, 19653, 26204, 39156, 39306, 78612, 85163, 170326, 255489, 340652, 510978, 1021956, 1644301, 3288602, 4932903, 6577204, 9865806, 19731612, 21375913, 42751826, 64127739, 85503652, 128255478, 256510956]

約数ペア:

[(1, 256510956), (2, 128255478), (3, 85503652), (4, 64127739), (6, 42751826), (12, 21375913), (13, 19731612), (26, 9865806), (39, 6577204), (52, 4932903), (78, 3288602), (156, 1644301), (251, 1021956), (502, 510978), (753, 340652), (1004, 255489), (1506, 170326), (3012, 85163), (3263, 78612), (6526, 39306), (6551, 39156), (9789, 26204), (13052, 19653), (13102, 19578)]