139796657

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 194431104

約数和(自身を除く): 54634447

約数列:

[1, 7, 11, 13, 49, 71, 77, 91, 143, 281, 497, 539, 637, 781, 923, 1001, 1967, 3091, 3479, 3653, 5467, 6461, 7007, 10153, 13769, 19951, 21637, 25571, 38269, 40183, 45227, 71071, 139657, 151459, 178997, 219461, 259363, 281281, 497497, 977599, 1536227, 1815541, 1968967, 2852993, 10753589, 12708787, 19970951, 139796657]

約数ペア:

[(1, 139796657), (7, 19970951), (11, 12708787), (13, 10753589), (49, 2852993), (71, 1968967), (77, 1815541), (91, 1536227), (143, 977599), (281, 497497), (497, 281281), (539, 259363), (637, 219461), (781, 178997), (923, 151459), (1001, 139657), (1967, 71071), (3091, 45227), (3479, 40183), (3653, 38269), (5467, 25571), (6461, 21637), (7007, 19951), (10153, 13769)]