28125328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 69888384

約数和(自身を除く): 41763056

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 259, 296, 308, 407, 518, 592, 616, 617, 814, 1036, 1232, 1234, 1628, 2072, 2468, 2849, 3256, 4144, 4319, 4936, 5698, 6512, 6787, 8638, 9872, 11396, 13574, 17276, 22792, 22829, 27148, 34552, 45584, 45658, 47509, 54296, 69104, 91316, 95018, 108592, 159803, 182632, 190036, 251119, 319606, 365264, 380072, 502238, 639212, 760144, 1004476, 1278424, 1757833, 2008952, 2556848, 3515666, 4017904, 7031332, 14062664, 28125328]

約数ペア:

[(1, 28125328), (2, 14062664), (4, 7031332), (7, 4017904), (8, 3515666), (11, 2556848), (14, 2008952), (16, 1757833), (22, 1278424), (28, 1004476), (37, 760144), (44, 639212), (56, 502238), (74, 380072), (77, 365264), (88, 319606), (112, 251119), (148, 190036), (154, 182632), (176, 159803), (259, 108592), (296, 95018), (308, 91316), (407, 69104), (518, 54296), (592, 47509), (616, 45658), (617, 45584), (814, 34552), (1036, 27148), (1232, 22829), (1234, 22792), (1628, 17276), (2072, 13574), (2468, 11396), (2849, 9872), (3256, 8638), (4144, 6787), (4319, 6512), (4936, 5698)]