77668578

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 198696960

約数和(自身を除く): 121028382

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 43, 54, 62, 78, 83, 86, 93, 117, 129, 166, 186, 234, 249, 258, 279, 351, 387, 403, 498, 558, 559, 702, 747, 774, 806, 837, 1079, 1118, 1161, 1209, 1333, 1494, 1674, 1677, 2158, 2241, 2322, 2418, 2573, 2666, 3237, 3354, 3569, 3627, 3999, 4482, 5031, 5146, 6474, 7138, 7254, 7719, 7998, 9711, 10062, 10707, 10881, 11997, 15093, 15438, 17329, 19422, 21414, 21762, 23157, 23994, 29133, 30186, 32121, 33449, 34658, 35991, 46314, 46397, 51987, 58266, 64242, 66898, 69471, 71982, 92794, 96363, 100347, 103974, 110639, 138942, 139191, 155961, 192726, 200694, 221278, 278382, 301041, 311922, 331917, 417573, 467883, 602082, 663834, 835146, 903123, 935766, 995751, 1252719, 1438307, 1806246, 1991502, 2505438, 2876614, 2987253, 4314921, 5974506, 8629842, 12944763, 25889526, 38834289, 77668578]

約数ペア:

[(1, 77668578), (2, 38834289), (3, 25889526), (6, 12944763), (9, 8629842), (13, 5974506), (18, 4314921), (26, 2987253), (27, 2876614), (31, 2505438), (39, 1991502), (43, 1806246), (54, 1438307), (62, 1252719), (78, 995751), (83, 935766), (86, 903123), (93, 835146), (117, 663834), (129, 602082), (166, 467883), (186, 417573), (234, 331917), (249, 311922), (258, 301041), (279, 278382), (351, 221278), (387, 200694), (403, 192726), (498, 155961), (558, 139191), (559, 138942), (702, 110639), (747, 103974), (774, 100347), (806, 96363), (837, 92794), (1079, 71982), (1118, 69471), (1161, 66898), (1209, 64242), (1333, 58266), (1494, 51987), (1674, 46397), (1677, 46314), (2158, 35991), (2241, 34658), (2322, 33449), (2418, 32121), (2573, 30186), (2666, 29133), (3237, 23994), (3354, 23157), (3569, 21762), (3627, 21414), (3999, 19422), (4482, 17329), (5031, 15438), (5146, 15093), (6474, 11997), (7138, 10881), (7254, 10707), (7719, 10062), (7998, 9711)]