81139278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 183306240

約数和(自身を除く): 102166962

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 67, 118, 134, 177, 201, 311, 354, 402, 622, 649, 737, 933, 1298, 1474, 1866, 1947, 2211, 3421, 3894, 3953, 4422, 6842, 7906, 10263, 11859, 18349, 20526, 20837, 23718, 36698, 41674, 43483, 55047, 62511, 86966, 110094, 125022, 130449, 201839, 229207, 260898, 403678, 458414, 605517, 687621, 1211034, 1229383, 1375242, 2458766, 3688149, 7376298, 13523213, 27046426, 40569639, 81139278]

約数ペア:

[(1, 81139278), (2, 40569639), (3, 27046426), (6, 13523213), (11, 7376298), (22, 3688149), (33, 2458766), (59, 1375242), (66, 1229383), (67, 1211034), (118, 687621), (134, 605517), (177, 458414), (201, 403678), (311, 260898), (354, 229207), (402, 201839), (622, 130449), (649, 125022), (737, 110094), (933, 86966), (1298, 62511), (1474, 55047), (1866, 43483), (1947, 41674), (2211, 36698), (3421, 23718), (3894, 20837), (3953, 20526), (4422, 18349), (6842, 11859), (7906, 10263)]