81807726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 224695296

約数和(自身を除く): 142887570

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 53, 66, 77, 78, 91, 106, 143, 154, 159, 182, 231, 257, 273, 286, 318, 371, 429, 462, 514, 546, 583, 689, 742, 771, 858, 1001, 1113, 1166, 1378, 1542, 1749, 1799, 2002, 2067, 2226, 2827, 3003, 3341, 3498, 3598, 4081, 4134, 4823, 5397, 5654, 6006, 6682, 7579, 8162, 8481, 9646, 10023, 10794, 12243, 13621, 14469, 15158, 16962, 19789, 20046, 22737, 23387, 24486, 27242, 28938, 36751, 39578, 40863, 45474, 46774, 53053, 59367, 70161, 73502, 81726, 95347, 106106, 110253, 118734, 140322, 149831, 159159, 177073, 190694, 220506, 257257, 286041, 299662, 318318, 354146, 449493, 514514, 531219, 572082, 771771, 898986, 1048817, 1062438, 1239511, 1543542, 1947803, 2097634, 2479022, 3146451, 3718533, 3895606, 5843409, 6292902, 7437066, 11686818, 13634621, 27269242, 40903863, 81807726]

約数ペア:

[(1, 81807726), (2, 40903863), (3, 27269242), (6, 13634621), (7, 11686818), (11, 7437066), (13, 6292902), (14, 5843409), (21, 3895606), (22, 3718533), (26, 3146451), (33, 2479022), (39, 2097634), (42, 1947803), (53, 1543542), (66, 1239511), (77, 1062438), (78, 1048817), (91, 898986), (106, 771771), (143, 572082), (154, 531219), (159, 514514), (182, 449493), (231, 354146), (257, 318318), (273, 299662), (286, 286041), (318, 257257), (371, 220506), (429, 190694), (462, 177073), (514, 159159), (546, 149831), (583, 140322), (689, 118734), (742, 110253), (771, 106106), (858, 95347), (1001, 81726), (1113, 73502), (1166, 70161), (1378, 59367), (1542, 53053), (1749, 46774), (1799, 45474), (2002, 40863), (2067, 39578), (2226, 36751), (2827, 28938), (3003, 27242), (3341, 24486), (3498, 23387), (3598, 22737), (4081, 20046), (4134, 19789), (4823, 16962), (5397, 15158), (5654, 14469), (6006, 13621), (6682, 12243), (7579, 10794), (8162, 10023), (8481, 9646)]