28304848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 65620800

約数和(自身を除く): 37315952

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 89, 104, 139, 143, 176, 178, 208, 278, 286, 356, 556, 572, 712, 979, 1112, 1144, 1157, 1424, 1529, 1807, 1958, 2224, 2288, 2314, 3058, 3614, 3916, 4628, 6116, 7228, 7832, 9256, 12232, 12371, 12727, 14456, 15664, 18512, 19877, 24464, 24742, 25454, 28912, 39754, 49484, 50908, 79508, 98968, 101816, 136081, 159016, 160823, 197936, 203632, 272162, 318032, 321646, 544324, 643292, 1088648, 1286584, 1769053, 2177296, 2573168, 3538106, 7076212, 14152424, 28304848]

約数ペア:

[(1, 28304848), (2, 14152424), (4, 7076212), (8, 3538106), (11, 2573168), (13, 2177296), (16, 1769053), (22, 1286584), (26, 1088648), (44, 643292), (52, 544324), (88, 321646), (89, 318032), (104, 272162), (139, 203632), (143, 197936), (176, 160823), (178, 159016), (208, 136081), (278, 101816), (286, 98968), (356, 79508), (556, 50908), (572, 49484), (712, 39754), (979, 28912), (1112, 25454), (1144, 24742), (1157, 24464), (1424, 19877), (1529, 18512), (1807, 15664), (1958, 14456), (2224, 12727), (2288, 12371), (2314, 12232), (3058, 9256), (3614, 7832), (3916, 7228), (4628, 6116)]