81471396

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 193424000

約数和(自身を除く): 111952604

約数列:

[1, 2, 3, 4, 6, 12, 109, 199, 218, 313, 327, 398, 436, 597, 626, 654, 796, 939, 1194, 1252, 1308, 1878, 2388, 3756, 21691, 34117, 43382, 62287, 65073, 68234, 86764, 102351, 124574, 130146, 136468, 186861, 204702, 249148, 260292, 373722, 409404, 747444, 6789283, 13578566, 20367849, 27157132, 40735698, 81471396]

約数ペア:

[(1, 81471396), (2, 40735698), (3, 27157132), (4, 20367849), (6, 13578566), (12, 6789283), (109, 747444), (199, 409404), (218, 373722), (313, 260292), (327, 249148), (398, 204702), (436, 186861), (597, 136468), (626, 130146), (654, 124574), (796, 102351), (939, 86764), (1194, 68234), (1252, 65073), (1308, 62287), (1878, 43382), (2388, 34117), (3756, 21691)]