278976758866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1303}}^1\times {\mathrm{2579}}^1$

素因数の和:4031

約数の個数: 64

約数和(自身を含む): 470251192320

約数和(自身を除く): 191274433454

約数列:

[1, 2, 13, 26, 31, 62, 103, 206, 403, 806, 1303, 1339, 2579, 2606, 2678, 3193, 5158, 6386, 16939, 33527, 33878, 40393, 41509, 67054, 79949, 80786, 83018, 134209, 159898, 265637, 268418, 525109, 531274, 1039337, 1050218, 1744717, 2078674, 3360437, 3453281, 3489434, 4160479, 6720874, 6906562, 8234747, 8320958, 16469494, 43685681, 54086227, 87371362, 104173547, 107051711, 108172454, 208347094, 214103422, 346125011, 692250022, 1354256111, 2708512222, 4499625143, 8999250286, 10729875341, 21459750682, 139488379433, 278976758866]

約数ペア:

[(1, 278976758866), (2, 139488379433), (13, 21459750682), (26, 10729875341), (31, 8999250286), (62, 4499625143), (103, 2708512222), (206, 1354256111), (403, 692250022), (806, 346125011), (1303, 214103422), (1339, 208347094), (2579, 108172454), (2606, 107051711), (2678, 104173547), (3193, 87371362), (5158, 54086227), (6386, 43685681), (16939, 16469494), (33527, 8320958), (33878, 8234747), (40393, 6906562), (41509, 6720874), (67054, 4160479), (79949, 3489434), (80786, 3453281), (83018, 3360437), (134209, 2078674), (159898, 1744717), (265637, 1050218), (268418, 1039337), (525109, 531274)]