212423906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 339925248

約数和(自身を除く): 127501342

約数列:

[1, 2, 23, 46, 71, 142, 193, 337, 386, 674, 1633, 3266, 4439, 7751, 8878, 13703, 15502, 23927, 27406, 47854, 65041, 130082, 315169, 550321, 630338, 1100642, 1495943, 2991886, 4617911, 9235822, 106211953, 212423906]

約数ペア:

[(1, 212423906), (2, 106211953), (23, 9235822), (46, 4617911), (71, 2991886), (142, 1495943), (193, 1100642), (337, 630338), (386, 550321), (674, 315169), (1633, 130082), (3266, 65041), (4439, 47854), (7751, 27406), (8878, 23927), (13703, 15502)]