25999948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 50981952

約数和(自身を除く): 24982004

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 127, 254, 403, 508, 806, 1612, 1651, 3302, 3937, 6604, 7874, 15748, 16129, 32258, 51181, 64516, 102362, 204724, 209677, 419354, 499999, 838708, 999998, 1999996, 6499987, 12999974, 25999948]

約数ペア:

[(1, 25999948), (2, 12999974), (4, 6499987), (13, 1999996), (26, 999998), (31, 838708), (52, 499999), (62, 419354), (124, 209677), (127, 204724), (254, 102362), (403, 64516), (508, 51181), (806, 32258), (1612, 16129), (1651, 15748), (3302, 7874), (3937, 6604)]