857604

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2237760

約数和(自身を除く): 1380156

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 73, 89, 132, 146, 178, 219, 267, 292, 356, 438, 534, 803, 876, 979, 1068, 1606, 1958, 2409, 2937, 3212, 3916, 4818, 5874, 6497, 9636, 11748, 12994, 19491, 25988, 38982, 71467, 77964, 142934, 214401, 285868, 428802, 857604]

約数ペア:

[(1, 857604), (2, 428802), (3, 285868), (4, 214401), (6, 142934), (11, 77964), (12, 71467), (22, 38982), (33, 25988), (44, 19491), (66, 12994), (73, 11748), (89, 9636), (132, 6497), (146, 5874), (178, 4818), (219, 3916), (267, 3212), (292, 2937), (356, 2409), (438, 1958), (534, 1606), (803, 1068), (876, 979)]