64756538

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 128088576

約数和(自身を除く): 63332038

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 77, 86, 98, 121, 127, 154, 242, 254, 301, 473, 539, 602, 847, 889, 946, 1078, 1397, 1694, 1778, 2107, 2794, 3311, 4214, 5203, 5461, 5929, 6223, 6622, 9779, 10406, 10922, 11858, 12446, 15367, 19558, 23177, 30734, 36421, 38227, 46354, 60071, 68453, 72842, 76454, 107569, 120142, 136906, 215138, 254947, 267589, 420497, 509894, 535178, 660781, 752983, 840994, 1321562, 1505966, 2943479, 4625467, 5886958, 9250934, 32378269, 64756538]

約数ペア:

[(1, 64756538), (2, 32378269), (7, 9250934), (11, 5886958), (14, 4625467), (22, 2943479), (43, 1505966), (49, 1321562), (77, 840994), (86, 752983), (98, 660781), (121, 535178), (127, 509894), (154, 420497), (242, 267589), (254, 254947), (301, 215138), (473, 136906), (539, 120142), (602, 107569), (847, 76454), (889, 72842), (946, 68453), (1078, 60071), (1397, 46354), (1694, 38227), (1778, 36421), (2107, 30734), (2794, 23177), (3311, 19558), (4214, 15367), (5203, 12446), (5461, 11858), (5929, 10922), (6223, 10406), (6622, 9779)]