2780861.00000000

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:957

約数の個数: 40

約数和(自身を含む): 82078080

約数和(自身を除く): 41821456

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 139, 184, 278, 368, 556, 787, 1112, 1574, 2224, 3148, 3197, 6296, 6394, 12592, 12788, 18101, 25576, 36202, 51152, 72404, 109393, 144808, 218786, 289616, 437572, 875144, 1750288, 2516039, 5032078, 10064156, 20128312, 40256624]

約数ペア:

[(1, 40256624), (2, 20128312), (4, 10064156), (8, 5032078), (16, 2516039), (23, 1750288), (46, 875144), (92, 437572), (139, 289616), (184, 218786), (278, 144808), (368, 109393), (556, 72404), (787, 51152), (1112, 36202), (1574, 25576), (2224, 18101), (3148, 12788), (3197, 12592), (6296, 6394)]