81531968

素因数分解:

$2^6\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1433}}^1$

素因数の和:1579

約数の個数: 56

約数和(自身を含む): 186488832

約数和(自身を除く): 104956864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 224, 254, 448, 508, 889, 1016, 1433, 1778, 2032, 2866, 3556, 4064, 5732, 7112, 8128, 10031, 11464, 14224, 20062, 22928, 28448, 40124, 45856, 56896, 80248, 91712, 160496, 181991, 320992, 363982, 641984, 727964, 1273937, 1455928, 2547874, 2911856, 5095748, 5823712, 10191496, 11647424, 20382992, 40765984, 81531968]

約数ペア:

[(1, 81531968), (2, 40765984), (4, 20382992), (7, 11647424), (8, 10191496), (14, 5823712), (16, 5095748), (28, 2911856), (32, 2547874), (56, 1455928), (64, 1273937), (112, 727964), (127, 641984), (224, 363982), (254, 320992), (448, 181991), (508, 160496), (889, 91712), (1016, 80248), (1433, 56896), (1778, 45856), (2032, 40124), (2866, 28448), (3556, 22928), (4064, 20062), (5732, 14224), (7112, 11464), (8128, 10031)]