26666455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 8956265

約数列:

[1, 5, 17, 37, 61, 85, 139, 185, 305, 629, 695, 1037, 2257, 2363, 3145, 5143, 5185, 8479, 11285, 11815, 25715, 38369, 42395, 87431, 144143, 191845, 313723, 437155, 720715, 1568615, 5333291, 26666455]

約数ペア:

[(1, 26666455), (5, 5333291), (17, 1568615), (37, 720715), (61, 437155), (85, 313723), (139, 191845), (185, 144143), (305, 87431), (629, 42395), (695, 38369), (1037, 25715), (2257, 11815), (2363, 11285), (3145, 8479), (5143, 5185)]