128927708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1307}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 278928384

約数和(自身を除く): 150000676

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 271, 364, 542, 1084, 1307, 1897, 2614, 3523, 3794, 5228, 7046, 7588, 9149, 14092, 16991, 18298, 24661, 33982, 36596, 49322, 67964, 98644, 118937, 237874, 354197, 475748, 708394, 1416788, 2479379, 4604561, 4958758, 9209122, 9917516, 18418244, 32231927, 64463854, 128927708]

約数ペア:

[(1, 128927708), (2, 64463854), (4, 32231927), (7, 18418244), (13, 9917516), (14, 9209122), (26, 4958758), (28, 4604561), (52, 2479379), (91, 1416788), (182, 708394), (271, 475748), (364, 354197), (542, 237874), (1084, 118937), (1307, 98644), (1897, 67964), (2614, 49322), (3523, 36596), (3794, 33982), (5228, 24661), (7046, 18298), (7588, 16991), (9149, 14092)]