388655883

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 735920640

約数和(自身を除く): 347264757

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 83, 87, 99, 203, 231, 233, 249, 261, 319, 581, 609, 693, 699, 747, 913, 957, 1631, 1743, 1827, 2097, 2233, 2407, 2563, 2739, 2871, 4893, 5229, 6391, 6699, 6757, 7221, 7689, 8217, 14679, 16849, 17941, 19173, 19339, 20097, 20271, 21663, 23067, 26477, 47299, 50547, 53823, 57519, 58017, 60813, 74327, 79431, 135373, 141897, 151641, 161469, 174051, 185339, 212729, 222981, 238293, 406119, 425691, 520289, 556017, 560831, 638187, 668943, 1218357, 1489103, 1560867, 1668051, 1682493, 1914561, 3925817, 4467309, 4682601, 5047479, 6169141, 11777451, 13401927, 18507423, 35332353, 43183987, 55522269, 129551961, 388655883]

約数ペア:

[(1, 388655883), (3, 129551961), (7, 55522269), (9, 43183987), (11, 35332353), (21, 18507423), (29, 13401927), (33, 11777451), (63, 6169141), (77, 5047479), (83, 4682601), (87, 4467309), (99, 3925817), (203, 1914561), (231, 1682493), (233, 1668051), (249, 1560867), (261, 1489103), (319, 1218357), (581, 668943), (609, 638187), (693, 560831), (699, 556017), (747, 520289), (913, 425691), (957, 406119), (1631, 238293), (1743, 222981), (1827, 212729), (2097, 185339), (2233, 174051), (2407, 161469), (2563, 151641), (2739, 141897), (2871, 135373), (4893, 79431), (5229, 74327), (6391, 60813), (6699, 58017), (6757, 57519), (7221, 53823), (7689, 50547), (8217, 47299), (14679, 26477), (16849, 23067), (17941, 21663), (19173, 20271), (19339, 20097)]