221513716

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{4909}}^1$

素因数の和:5331

約数の個数: 24

約数和(自身を含む): 402129000

約数和(自身を除く): 180615284

約数列:

[1, 2, 4, 29, 58, 116, 389, 778, 1556, 4909, 9818, 11281, 19636, 22562, 45124, 142361, 284722, 569444, 1909601, 3819202, 7638404, 55378429, 110756858, 221513716]

約数ペア:

[(1, 221513716), (2, 110756858), (4, 55378429), (29, 7638404), (58, 3819202), (116, 1909601), (389, 569444), (778, 284722), (1556, 142361), (4909, 45124), (9818, 22562), (11281, 19636)]