261714236

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 542287872

約数和(自身を除く): 280573636

約数列:

[1, 2, 4, 7, 14, 28, 47, 71, 94, 142, 188, 284, 329, 497, 658, 994, 1316, 1988, 2801, 3337, 5602, 6674, 11204, 13348, 19607, 23359, 39214, 46718, 78428, 93436, 131647, 198871, 263294, 397742, 526588, 795484, 921529, 1392097, 1843058, 2784194, 3686116, 5568388, 9346937, 18693874, 37387748, 65428559, 130857118, 261714236]

約数ペア:

[(1, 261714236), (2, 130857118), (4, 65428559), (7, 37387748), (14, 18693874), (28, 9346937), (47, 5568388), (71, 3686116), (94, 2784194), (142, 1843058), (188, 1392097), (284, 921529), (329, 795484), (497, 526588), (658, 397742), (994, 263294), (1316, 198871), (1988, 131647), (2801, 93436), (3337, 78428), (5602, 46718), (6674, 39214), (11204, 23359), (13348, 19607)]