81348774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2045

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 110251866

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 527, 663, 806, 1054, 1209, 1326, 1581, 1979, 2418, 3162, 3958, 5937, 6851, 11874, 13702, 20553, 25727, 33643, 41106, 51454, 61349, 67286, 77181, 100929, 122698, 154362, 184047, 201858, 368094, 437359, 797537, 874718, 1042933, 1312077, 1595074, 2085866, 2392611, 2624154, 3128799, 4785222, 6257598, 13558129, 27116258, 40674387, 81348774]

約数ペア:

[(1, 81348774), (2, 40674387), (3, 27116258), (6, 13558129), (13, 6257598), (17, 4785222), (26, 3128799), (31, 2624154), (34, 2392611), (39, 2085866), (51, 1595074), (62, 1312077), (78, 1042933), (93, 874718), (102, 797537), (186, 437359), (221, 368094), (403, 201858), (442, 184047), (527, 154362), (663, 122698), (806, 100929), (1054, 77181), (1209, 67286), (1326, 61349), (1581, 51454), (1979, 41106), (2418, 33643), (3162, 25727), (3958, 20553), (5937, 13702), (6851, 11874)]