2557984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 6087312

約数和(自身を除く): 3529328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 43, 44, 52, 86, 88, 104, 143, 169, 172, 176, 208, 286, 338, 344, 352, 416, 473, 559, 572, 676, 688, 946, 1118, 1144, 1352, 1376, 1859, 1892, 2236, 2288, 2704, 3718, 3784, 4472, 4576, 5408, 6149, 7267, 7436, 7568, 8944, 12298, 14534, 14872, 15136, 17888, 24596, 29068, 29744, 49192, 58136, 59488, 79937, 98384, 116272, 159874, 196768, 232544, 319748, 639496, 1278992, 2557984]

約数ペア:

[(1, 2557984), (2, 1278992), (4, 639496), (8, 319748), (11, 232544), (13, 196768), (16, 159874), (22, 116272), (26, 98384), (32, 79937), (43, 59488), (44, 58136), (52, 49192), (86, 29744), (88, 29068), (104, 24596), (143, 17888), (169, 15136), (172, 14872), (176, 14534), (208, 12298), (286, 8944), (338, 7568), (344, 7436), (352, 7267), (416, 6149), (473, 5408), (559, 4576), (572, 4472), (676, 3784), (688, 3718), (946, 2704), (1118, 2288), (1144, 2236), (1352, 1892), (1376, 1859)]