28461378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 63201600

約数和(自身を除く): 34740222

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 197, 199, 242, 363, 394, 398, 591, 597, 726, 1182, 1194, 2167, 2189, 4334, 4378, 6501, 6567, 13002, 13134, 23837, 24079, 39203, 47674, 48158, 71511, 72237, 78406, 117609, 143022, 144474, 235218, 431233, 862466, 1293699, 2587398, 4743563, 9487126, 14230689, 28461378]

約数ペア:

[(1, 28461378), (2, 14230689), (3, 9487126), (6, 4743563), (11, 2587398), (22, 1293699), (33, 862466), (66, 431233), (121, 235218), (197, 144474), (199, 143022), (242, 117609), (363, 78406), (394, 72237), (398, 71511), (591, 48158), (597, 47674), (726, 39203), (1182, 24079), (1194, 23837), (2167, 13134), (2189, 13002), (4334, 6567), (4378, 6501)]