28665692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 56918400

約数和(自身を除く): 28252708

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 109, 139, 172, 218, 278, 436, 473, 556, 946, 1199, 1529, 1892, 2398, 3058, 4687, 4796, 5977, 6116, 9374, 11954, 15151, 18748, 23908, 30302, 51557, 60604, 65747, 103114, 131494, 166661, 206228, 262988, 333322, 651493, 666644, 1302986, 2605972, 7166423, 14332846, 28665692]

約数ペア:

[(1, 28665692), (2, 14332846), (4, 7166423), (11, 2605972), (22, 1302986), (43, 666644), (44, 651493), (86, 333322), (109, 262988), (139, 206228), (172, 166661), (218, 131494), (278, 103114), (436, 65747), (473, 60604), (556, 51557), (946, 30302), (1199, 23908), (1529, 18748), (1892, 15151), (2398, 11954), (3058, 9374), (4687, 6116), (4796, 5977)]