259040574

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20887}}^1$

素因数の和:20961

約数の個数: 48

約数和(自身を含む): 615861792

約数和(自身を除く): 356821218

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 2067, 4134, 6201, 12402, 20887, 41774, 62661, 125322, 187983, 271531, 375966, 543062, 814593, 1107011, 1629186, 2214022, 2443779, 3321033, 4887558, 6642066, 9963099, 14391143, 19926198, 28782286, 43173429, 86346858, 129520287, 259040574]

約数ペア:

[(1, 259040574), (2, 129520287), (3, 86346858), (6, 43173429), (9, 28782286), (13, 19926198), (18, 14391143), (26, 9963099), (39, 6642066), (53, 4887558), (78, 3321033), (106, 2443779), (117, 2214022), (159, 1629186), (234, 1107011), (318, 814593), (477, 543062), (689, 375966), (954, 271531), (1378, 187983), (2067, 125322), (4134, 62661), (6201, 41774), (12402, 20887)]