81381745288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1\times {\mathrm{13469}}^1$

素因数の和:13934

約数の個数: 64

約数和(自身を含む): 162415872000

約数和(自身を除く): 81034126712

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 313, 508, 626, 1016, 1252, 2413, 2504, 4826, 5947, 9652, 11894, 13469, 19304, 23788, 26938, 39751, 47576, 53876, 79502, 107752, 159004, 255911, 318008, 511822, 755269, 1023644, 1510538, 1710563, 2047288, 3021076, 3421126, 4215797, 6042152, 6842252, 8431594, 13684504, 16863188, 32500697, 33726376, 65001394, 80100143, 130002788, 160200286, 260005576, 320400572, 535406219, 640801144, 1070812438, 2141624876, 4283249752, 10172718161, 20345436322, 40690872644, 81381745288]

約数ペア:

[(1, 81381745288), (2, 40690872644), (4, 20345436322), (8, 10172718161), (19, 4283249752), (38, 2141624876), (76, 1070812438), (127, 640801144), (152, 535406219), (254, 320400572), (313, 260005576), (508, 160200286), (626, 130002788), (1016, 80100143), (1252, 65001394), (2413, 33726376), (2504, 32500697), (4826, 16863188), (5947, 13684504), (9652, 8431594), (11894, 6842252), (13469, 6042152), (19304, 4215797), (23788, 3421126), (26938, 3021076), (39751, 2047288), (47576, 1710563), (53876, 1510538), (79502, 1023644), (107752, 755269), (159004, 511822), (255911, 318008)]