257086852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7993}}^1$

素因数の和:8068

約数の個数: 48

約数和(自身を含む): 531824832

約数和(自身を除く): 274737980

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 374, 473, 731, 748, 946, 1462, 1892, 2924, 7993, 8041, 15986, 16082, 31972, 32164, 87923, 135881, 175846, 271762, 343699, 351692, 543524, 687398, 1374796, 1494691, 2989382, 3780689, 5842883, 5978764, 7561378, 11685766, 15122756, 23371532, 64271713, 128543426, 257086852]

約数ペア:

[(1, 257086852), (2, 128543426), (4, 64271713), (11, 23371532), (17, 15122756), (22, 11685766), (34, 7561378), (43, 5978764), (44, 5842883), (68, 3780689), (86, 2989382), (172, 1494691), (187, 1374796), (374, 687398), (473, 543524), (731, 351692), (748, 343699), (946, 271762), (1462, 175846), (1892, 135881), (2924, 87923), (7993, 32164), (8041, 31972), (15986, 16082)]