678186656

素因数分解:

$2^5\times 7^2\times {\mathrm{617}}^1\times {\mathrm{701}}^1$

素因数の和:1342

約数の個数: 72

約数和(自身を含む): 1557905076

約数和(自身を除く): 879718420

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 617, 701, 784, 1234, 1402, 1568, 2468, 2804, 4319, 4907, 4936, 5608, 8638, 9814, 9872, 11216, 17276, 19628, 19744, 22432, 30233, 34349, 34552, 39256, 60466, 68698, 69104, 78512, 120932, 137396, 138208, 157024, 241864, 274792, 432517, 483728, 549584, 865034, 967456, 1099168, 1730068, 3027619, 3460136, 6055238, 6920272, 12110476, 13840544, 21193333, 24220952, 42386666, 48441904, 84773332, 96883808, 169546664, 339093328, 678186656]

約数ペア:

[(1, 678186656), (2, 339093328), (4, 169546664), (7, 96883808), (8, 84773332), (14, 48441904), (16, 42386666), (28, 24220952), (32, 21193333), (49, 13840544), (56, 12110476), (98, 6920272), (112, 6055238), (196, 3460136), (224, 3027619), (392, 1730068), (617, 1099168), (701, 967456), (784, 865034), (1234, 549584), (1402, 483728), (1568, 432517), (2468, 274792), (2804, 241864), (4319, 157024), (4907, 138208), (4936, 137396), (5608, 120932), (8638, 78512), (9814, 69104), (9872, 68698), (11216, 60466), (17276, 39256), (19628, 34552), (19744, 34349), (22432, 30233)]