25687664

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{6247}}^1$

素因数の和:6512

約数の個数: 20

約数和(自身を含む): 49971504

約数和(自身を除く): 24283840

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 6247, 12494, 24988, 49976, 99952, 1605479, 3210958, 6421916, 12843832, 25687664]

約数ペア:

[(1, 25687664), (2, 12843832), (4, 6421916), (8, 3210958), (16, 1605479), (257, 99952), (514, 49976), (1028, 24988), (2056, 12494), (4112, 6247)]