161979776

素因数分解:

$2^7\times 7^1\times {\mathrm{293}}^1\times {\mathrm{617}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 370651680

約数和(自身を除く): 208671904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 293, 448, 586, 617, 896, 1172, 1234, 2051, 2344, 2468, 4102, 4319, 4688, 4936, 8204, 8638, 9376, 9872, 16408, 17276, 18752, 19744, 32816, 34552, 37504, 39488, 65632, 69104, 78976, 131264, 138208, 180781, 262528, 276416, 361562, 552832, 723124, 1265467, 1446248, 2530934, 2892496, 5061868, 5784992, 10123736, 11569984, 20247472, 23139968, 40494944, 80989888, 161979776]

約数ペア:

[(1, 161979776), (2, 80989888), (4, 40494944), (7, 23139968), (8, 20247472), (14, 11569984), (16, 10123736), (28, 5784992), (32, 5061868), (56, 2892496), (64, 2530934), (112, 1446248), (128, 1265467), (224, 723124), (293, 552832), (448, 361562), (586, 276416), (617, 262528), (896, 180781), (1172, 138208), (1234, 131264), (2051, 78976), (2344, 69104), (2468, 65632), (4102, 39488), (4319, 37504), (4688, 34552), (4936, 32816), (8204, 19744), (8638, 18752), (9376, 17276), (9872, 16408)]