868872004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{217001}}^1$

素因数の和:217036

約数の個数: 48

約数和(自身を含む): 2041554816

約数和(自身を除く): 1172682812

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 217001, 434002, 868004, 1519007, 2387011, 2821013, 3038014, 4774022, 5642026, 6076028, 9548044, 11284052, 16709077, 19747091, 31031143, 33418154, 39494182, 62062286, 66836308, 78988364, 124124572, 217218001, 434436002, 868872004]

約数ペア:

[(1, 868872004), (2, 434436002), (4, 217218001), (7, 124124572), (11, 78988364), (13, 66836308), (14, 62062286), (22, 39494182), (26, 33418154), (28, 31031143), (44, 19747091), (52, 16709077), (77, 11284052), (91, 9548044), (143, 6076028), (154, 5642026), (182, 4774022), (286, 3038014), (308, 2821013), (364, 2387011), (572, 1519007), (1001, 868004), (2002, 434002), (4004, 217001)]