778847972

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{1511}}^1$

素因数の和:2012

約数の個数: 48

約数和(自身を含む): 1600300800

約数和(自身を除く): 821452828

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 449, 574, 898, 1148, 1511, 1796, 3022, 3143, 6044, 6286, 10577, 12572, 18409, 21154, 36818, 42308, 61951, 73636, 123902, 128863, 247804, 257726, 433657, 515452, 678439, 867314, 1356878, 1734628, 2713756, 4749073, 9498146, 18996292, 27815999, 55631998, 111263996, 194711993, 389423986, 778847972]

約数ペア:

[(1, 778847972), (2, 389423986), (4, 194711993), (7, 111263996), (14, 55631998), (28, 27815999), (41, 18996292), (82, 9498146), (164, 4749073), (287, 2713756), (449, 1734628), (574, 1356878), (898, 867314), (1148, 678439), (1511, 515452), (1796, 433657), (3022, 257726), (3143, 247804), (6044, 128863), (6286, 123902), (10577, 73636), (12572, 61951), (18409, 42308), (21154, 36818)]