205452208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{599}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 459345600

約数和(自身を除く): 253893392

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 97, 104, 136, 194, 208, 221, 272, 388, 442, 599, 776, 884, 1198, 1261, 1552, 1649, 1768, 2396, 2522, 3298, 3536, 4792, 5044, 6596, 7787, 9584, 10088, 10183, 13192, 15574, 20176, 20366, 21437, 26384, 31148, 40732, 42874, 58103, 62296, 81464, 85748, 116206, 124592, 132379, 162928, 171496, 232412, 264758, 342992, 464824, 529516, 755339, 929648, 987751, 1059032, 1510678, 1975502, 2118064, 3021356, 3951004, 6042712, 7902008, 12085424, 12840763, 15804016, 25681526, 51363052, 102726104, 205452208]

約数ペア:

[(1, 205452208), (2, 102726104), (4, 51363052), (8, 25681526), (13, 15804016), (16, 12840763), (17, 12085424), (26, 7902008), (34, 6042712), (52, 3951004), (68, 3021356), (97, 2118064), (104, 1975502), (136, 1510678), (194, 1059032), (208, 987751), (221, 929648), (272, 755339), (388, 529516), (442, 464824), (599, 342992), (776, 264758), (884, 232412), (1198, 171496), (1261, 162928), (1552, 132379), (1649, 124592), (1768, 116206), (2396, 85748), (2522, 81464), (3298, 62296), (3536, 58103), (4792, 42874), (5044, 40732), (6596, 31148), (7787, 26384), (9584, 21437), (10088, 20366), (10183, 20176), (13192, 15574)]