28127008

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{743}}^1$

素因数の和:786

約数の個数: 72

約数和(自身を含む): 68620608

約数和(自身を除く): 40493600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 743, 1183, 1352, 1456, 1486, 2366, 2704, 2912, 2972, 4732, 5201, 5408, 5944, 9464, 9659, 10402, 11888, 18928, 19318, 20804, 23776, 37856, 38636, 41608, 67613, 77272, 83216, 125567, 135226, 154544, 166432, 251134, 270452, 309088, 502268, 540904, 878969, 1004536, 1081808, 1757938, 2009072, 2163616, 3515876, 4018144, 7031752, 14063504, 28127008]

約数ペア:

[(1, 28127008), (2, 14063504), (4, 7031752), (7, 4018144), (8, 3515876), (13, 2163616), (14, 2009072), (16, 1757938), (26, 1081808), (28, 1004536), (32, 878969), (52, 540904), (56, 502268), (91, 309088), (104, 270452), (112, 251134), (169, 166432), (182, 154544), (208, 135226), (224, 125567), (338, 83216), (364, 77272), (416, 67613), (676, 41608), (728, 38636), (743, 37856), (1183, 23776), (1352, 20804), (1456, 19318), (1486, 18928), (2366, 11888), (2704, 10402), (2912, 9659), (2972, 9464), (4732, 5944), (5201, 5408)]