381489724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{72859}}^1$

素因数の和:72898

約数の個数: 48

約数和(自身を含む): 881314560

約数和(自身を除く): 499824836

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 5236, 72859, 145718, 291436, 510013, 801449, 1020026, 1238603, 1602898, 2040052, 2477206, 3205796, 4954412, 5610143, 8670221, 11220286, 13624633, 17340442, 22440572, 27249266, 34680884, 54498532, 95372431, 190744862, 381489724]

約数ペア:

[(1, 381489724), (2, 190744862), (4, 95372431), (7, 54498532), (11, 34680884), (14, 27249266), (17, 22440572), (22, 17340442), (28, 13624633), (34, 11220286), (44, 8670221), (68, 5610143), (77, 4954412), (119, 3205796), (154, 2477206), (187, 2040052), (238, 1602898), (308, 1238603), (374, 1020026), (476, 801449), (748, 510013), (1309, 291436), (2618, 145718), (5236, 72859)]