28786576

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1208

約数の個数: 80

約数和(自身を含む): 72745344

約数和(自身を除く): 43958768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 884, 952, 1163, 1456, 1547, 1768, 1904, 2326, 3094, 3536, 4652, 6188, 8141, 9304, 12376, 15119, 16282, 18608, 19771, 24752, 30238, 32564, 39542, 60476, 65128, 79084, 105833, 120952, 130256, 138397, 158168, 211666, 241904, 257023, 276794, 316336, 423332, 514046, 553588, 846664, 1028092, 1107176, 1693328, 1799161, 2056184, 2214352, 3598322, 4112368, 7196644, 14393288, 28786576]

約数ペア:

[(1, 28786576), (2, 14393288), (4, 7196644), (7, 4112368), (8, 3598322), (13, 2214352), (14, 2056184), (16, 1799161), (17, 1693328), (26, 1107176), (28, 1028092), (34, 846664), (52, 553588), (56, 514046), (68, 423332), (91, 316336), (104, 276794), (112, 257023), (119, 241904), (136, 211666), (182, 158168), (208, 138397), (221, 130256), (238, 120952), (272, 105833), (364, 79084), (442, 65128), (476, 60476), (728, 39542), (884, 32564), (952, 30238), (1163, 24752), (1456, 19771), (1547, 18608), (1768, 16282), (1904, 15119), (2326, 12376), (3094, 9304), (3536, 8141), (4652, 6188)]