81725886

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 205096320

約数和(自身を除く): 123370434

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 43, 58, 66, 86, 87, 99, 129, 174, 198, 258, 261, 319, 331, 387, 473, 522, 638, 662, 774, 946, 957, 993, 1247, 1419, 1914, 1986, 2494, 2838, 2871, 2979, 3641, 3741, 4257, 5742, 5958, 7282, 7482, 8514, 9599, 10923, 11223, 13717, 14233, 19198, 21846, 22446, 27434, 28466, 28797, 32769, 41151, 42699, 57594, 65538, 82302, 85398, 86391, 105589, 123453, 128097, 156563, 172782, 211178, 246906, 256194, 313126, 316767, 412757, 469689, 633534, 825514, 939378, 950301, 1238271, 1409067, 1900602, 2476542, 2818134, 3714813, 4540327, 7429626, 9080654, 13620981, 27241962, 40862943, 81725886]

約数ペア:

[(1, 81725886), (2, 40862943), (3, 27241962), (6, 13620981), (9, 9080654), (11, 7429626), (18, 4540327), (22, 3714813), (29, 2818134), (33, 2476542), (43, 1900602), (58, 1409067), (66, 1238271), (86, 950301), (87, 939378), (99, 825514), (129, 633534), (174, 469689), (198, 412757), (258, 316767), (261, 313126), (319, 256194), (331, 246906), (387, 211178), (473, 172782), (522, 156563), (638, 128097), (662, 123453), (774, 105589), (946, 86391), (957, 85398), (993, 82302), (1247, 65538), (1419, 57594), (1914, 42699), (1986, 41151), (2494, 32769), (2838, 28797), (2871, 28466), (2979, 27434), (3641, 22446), (3741, 21846), (4257, 19198), (5742, 14233), (5958, 13717), (7282, 11223), (7482, 10923), (8514, 9599)]