255656752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1279}}^1$

素因数の和:1362

約数の個数: 60

約数和(自身を含む): 551631360

約数和(自身を除く): 295974608

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1279, 1612, 1922, 2558, 3224, 3844, 5116, 6448, 7688, 10232, 12493, 15376, 16627, 20464, 24986, 33254, 39649, 49972, 66508, 79298, 99944, 133016, 158596, 199888, 266032, 317192, 515437, 634384, 1030874, 1229119, 2061748, 2458238, 4123496, 4916476, 8246992, 9832952, 15978547, 19665904, 31957094, 63914188, 127828376, 255656752]

約数ペア:

[(1, 255656752), (2, 127828376), (4, 63914188), (8, 31957094), (13, 19665904), (16, 15978547), (26, 9832952), (31, 8246992), (52, 4916476), (62, 4123496), (104, 2458238), (124, 2061748), (208, 1229119), (248, 1030874), (403, 634384), (496, 515437), (806, 317192), (961, 266032), (1279, 199888), (1612, 158596), (1922, 133016), (2558, 99944), (3224, 79298), (3844, 66508), (5116, 49972), (6448, 39649), (7688, 33254), (10232, 24986), (12493, 20464), (15376, 16627)]