81272128

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4903}}^1$

素因数の和:4959

約数の個数: 56

約数和(自身を含む): 189333632

約数和(自身を除く): 108061504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 148, 224, 259, 296, 448, 518, 592, 1036, 1184, 2072, 2368, 4144, 4903, 8288, 9806, 16576, 19612, 34321, 39224, 68642, 78448, 137284, 156896, 181411, 274568, 313792, 362822, 549136, 725644, 1098272, 1269877, 1451288, 2196544, 2539754, 2902576, 5079508, 5805152, 10159016, 11610304, 20318032, 40636064, 81272128]

約数ペア:

[(1, 81272128), (2, 40636064), (4, 20318032), (7, 11610304), (8, 10159016), (14, 5805152), (16, 5079508), (28, 2902576), (32, 2539754), (37, 2196544), (56, 1451288), (64, 1269877), (74, 1098272), (112, 725644), (148, 549136), (224, 362822), (259, 313792), (296, 274568), (448, 181411), (518, 156896), (592, 137284), (1036, 78448), (1184, 68642), (2072, 39224), (2368, 34321), (4144, 19612), (4903, 16576), (8288, 9806)]