128652478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 208319040

約数和(自身を除く): 79666562

約数列:

[1, 2, 23, 37, 46, 74, 269, 281, 538, 562, 851, 1702, 6187, 6463, 9953, 10397, 12374, 12926, 19906, 20794, 75589, 151178, 228919, 239131, 457838, 478262, 1738547, 2796793, 3477094, 5593586, 64326239, 128652478]

約数ペア:

[(1, 128652478), (2, 64326239), (23, 5593586), (37, 3477094), (46, 2796793), (74, 1738547), (269, 478262), (281, 457838), (538, 239131), (562, 228919), (851, 151178), (1702, 75589), (6187, 20794), (6463, 19906), (9953, 12926), (10397, 12374)]