25857916

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13007}}^1$

素因数の和:13089

約数の個数: 24

約数和(自身を含む): 52448256

約数和(自身を除く): 26590340

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 13007, 26014, 52028, 91049, 182098, 364196, 923497, 1846994, 3693988, 6464479, 12928958, 25857916]

約数ペア:

[(1, 25857916), (2, 12928958), (4, 6464479), (7, 3693988), (14, 1846994), (28, 923497), (71, 364196), (142, 182098), (284, 91049), (497, 52028), (994, 26014), (1988, 13007)]