289977916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{811}}^1\times {\mathrm{1259}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 515652480

約数和(自身を除く): 225674564

約数列:

[1, 2, 4, 71, 142, 284, 811, 1259, 1622, 2518, 3244, 5036, 57581, 89389, 115162, 178778, 230324, 357556, 1021049, 2042098, 4084196, 72494479, 144988958, 289977916]

約数ペア:

[(1, 289977916), (2, 144988958), (4, 72494479), (71, 4084196), (142, 2042098), (284, 1021049), (811, 357556), (1259, 230324), (1622, 178778), (2518, 115162), (3244, 89389), (5036, 57581)]