26988990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{128519}}^1$

素因数の和:128536

約数の個数: 32

約数和(自身を含む): 74027520

約数和(自身を除く): 47038530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 128519, 257038, 385557, 642595, 771114, 899633, 1285190, 1799266, 1927785, 2698899, 3855570, 4498165, 5397798, 8996330, 13494495, 26988990]

約数ペア:

[(1, 26988990), (2, 13494495), (3, 8996330), (5, 5397798), (6, 4498165), (7, 3855570), (10, 2698899), (14, 1927785), (15, 1799266), (21, 1285190), (30, 899633), (35, 771114), (42, 642595), (70, 385557), (105, 257038), (210, 128519)]