217424536

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{20117}}^1$

素因数の和:20323

約数の個数: 32

約数和(自身を含む): 468347040

約数和(自身を除く): 250922504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2702, 5404, 10808, 20117, 40234, 80468, 140819, 160936, 281638, 563276, 1126552, 3882581, 7765162, 15530324, 27178067, 31060648, 54356134, 108712268, 217424536]

約数ペア:

[(1, 217424536), (2, 108712268), (4, 54356134), (7, 31060648), (8, 27178067), (14, 15530324), (28, 7765162), (56, 3882581), (193, 1126552), (386, 563276), (772, 281638), (1351, 160936), (1544, 140819), (2702, 80468), (5404, 40234), (10808, 20117)]