205780316

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 420403200

約数和(自身を除く): 214622884

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 229, 268, 458, 469, 479, 916, 938, 958, 1603, 1876, 1916, 3206, 3353, 6412, 6706, 13412, 15343, 30686, 32093, 61372, 64186, 107401, 109691, 128372, 214802, 219382, 224651, 429604, 438764, 449302, 767837, 898604, 1535674, 3071348, 7349297, 14698594, 29397188, 51445079, 102890158, 205780316]

約数ペア:

[(1, 205780316), (2, 102890158), (4, 51445079), (7, 29397188), (14, 14698594), (28, 7349297), (67, 3071348), (134, 1535674), (229, 898604), (268, 767837), (458, 449302), (469, 438764), (479, 429604), (916, 224651), (938, 219382), (958, 214802), (1603, 128372), (1876, 109691), (1916, 107401), (3206, 64186), (3353, 61372), (6412, 32093), (6706, 30686), (13412, 15343)]