28874274

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 68923008

約数和(自身を除く): 40048734

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 73, 78, 143, 146, 219, 286, 429, 438, 461, 803, 858, 922, 949, 1383, 1606, 1898, 2409, 2766, 2847, 4818, 5071, 5694, 5993, 10142, 10439, 11986, 15213, 17979, 20878, 30426, 31317, 33653, 35958, 62634, 65923, 67306, 100959, 131846, 197769, 201918, 370183, 395538, 437489, 740366, 874978, 1110549, 1312467, 2221098, 2624934, 4812379, 9624758, 14437137, 28874274]

約数ペア:

[(1, 28874274), (2, 14437137), (3, 9624758), (6, 4812379), (11, 2624934), (13, 2221098), (22, 1312467), (26, 1110549), (33, 874978), (39, 740366), (66, 437489), (73, 395538), (78, 370183), (143, 201918), (146, 197769), (219, 131846), (286, 100959), (429, 67306), (438, 65923), (461, 62634), (803, 35958), (858, 33653), (922, 31317), (949, 30426), (1383, 20878), (1606, 17979), (1898, 15213), (2409, 11986), (2766, 10439), (2847, 10142), (4818, 5993), (5071, 5694)]