128458904

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{55949}}^1$

素因数の和:56003

約数の個数: 32

約数和(自身を含む): 281988000

約数和(自身を除く): 153529096

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 55949, 111898, 223796, 391643, 447592, 783286, 1566572, 2293909, 3133144, 4587818, 9175636, 16057363, 18351272, 32114726, 64229452, 128458904]

約数ペア:

[(1, 128458904), (2, 64229452), (4, 32114726), (7, 18351272), (8, 16057363), (14, 9175636), (28, 4587818), (41, 3133144), (56, 2293909), (82, 1566572), (164, 783286), (287, 447592), (328, 391643), (574, 223796), (1148, 111898), (2296, 55949)]