209512254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{116009}}^1$

素因数の和:116064

約数の個数: 32

約数和(自身を含む): 490026240

約数和(自身を除く): 280513986

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 116009, 232018, 348027, 696054, 812063, 1624126, 2436189, 4872378, 4988387, 9976774, 14965161, 29930322, 34918709, 69837418, 104756127, 209512254]

約数ペア:

[(1, 209512254), (2, 104756127), (3, 69837418), (6, 34918709), (7, 29930322), (14, 14965161), (21, 9976774), (42, 4988387), (43, 4872378), (86, 2436189), (129, 1624126), (258, 812063), (301, 696054), (602, 348027), (903, 232018), (1806, 116009)]