289972144

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{21397}}^1$

素因数の和:21434

約数の個数: 60

約数和(自身を含む): 705791632

約数和(自身を除く): 415819488

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1694, 1936, 3388, 6776, 13552, 21397, 42794, 85588, 149779, 171176, 235367, 299558, 342352, 470734, 599116, 941468, 1198232, 1647569, 1882936, 2396464, 2589037, 3295138, 3765872, 5178074, 6590276, 10356148, 13180552, 18123259, 20712296, 26361104, 36246518, 41424592, 72493036, 144986072, 289972144]

約数ペア:

[(1, 289972144), (2, 144986072), (4, 72493036), (7, 41424592), (8, 36246518), (11, 26361104), (14, 20712296), (16, 18123259), (22, 13180552), (28, 10356148), (44, 6590276), (56, 5178074), (77, 3765872), (88, 3295138), (112, 2589037), (121, 2396464), (154, 1882936), (176, 1647569), (242, 1198232), (308, 941468), (484, 599116), (616, 470734), (847, 342352), (968, 299558), (1232, 235367), (1694, 171176), (1936, 149779), (3388, 85588), (6776, 42794), (13552, 21397)]