2478828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 6410880

約数和(自身を除く): 3932052

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 211, 267, 356, 422, 534, 633, 844, 979, 1068, 1266, 1958, 2321, 2532, 2937, 3916, 4642, 5874, 6963, 9284, 11748, 13926, 18779, 27852, 37558, 56337, 75116, 112674, 206569, 225348, 413138, 619707, 826276, 1239414, 2478828]

約数ペア:

[(1, 2478828), (2, 1239414), (3, 826276), (4, 619707), (6, 413138), (11, 225348), (12, 206569), (22, 112674), (33, 75116), (44, 56337), (66, 37558), (89, 27852), (132, 18779), (178, 13926), (211, 11748), (267, 9284), (356, 6963), (422, 5874), (534, 4642), (633, 3916), (844, 2937), (979, 2532), (1068, 2321), (1266, 1958)]