289049956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 560697984

約数和(自身を除く): 271648028

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 257, 503, 514, 559, 1006, 1028, 1118, 2012, 2236, 3341, 6539, 6682, 11051, 13078, 13364, 21629, 22102, 26156, 43258, 44204, 86516, 129271, 143663, 258542, 281177, 287326, 517084, 562354, 574652, 1124708, 1680523, 3361046, 5558653, 6722092, 11117306, 22234612, 72262489, 144524978, 289049956]

約数ペア:

[(1, 289049956), (2, 144524978), (4, 72262489), (13, 22234612), (26, 11117306), (43, 6722092), (52, 5558653), (86, 3361046), (172, 1680523), (257, 1124708), (503, 574652), (514, 562354), (559, 517084), (1006, 287326), (1028, 281177), (1118, 258542), (2012, 143663), (2236, 129271), (3341, 86516), (6539, 44204), (6682, 43258), (11051, 26156), (13078, 22102), (13364, 21629)]