208756878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1217}}^1$

素因数の和:1369

約数の個数: 64

約数和(自身を含む): 479872512

約数和(自身を除く): 271115634

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 113, 138, 226, 253, 339, 506, 678, 759, 1217, 1243, 1518, 2434, 2486, 2599, 3651, 3729, 5198, 7302, 7458, 7797, 13387, 15594, 26774, 27991, 28589, 40161, 55982, 57178, 80322, 83973, 85767, 137521, 167946, 171534, 275042, 307901, 412563, 615802, 825126, 923703, 1512731, 1847406, 3025462, 3162983, 4538193, 6325966, 9076386, 9488949, 18977898, 34792813, 69585626, 104378439, 208756878]

約数ペア:

[(1, 208756878), (2, 104378439), (3, 69585626), (6, 34792813), (11, 18977898), (22, 9488949), (23, 9076386), (33, 6325966), (46, 4538193), (66, 3162983), (69, 3025462), (113, 1847406), (138, 1512731), (226, 923703), (253, 825126), (339, 615802), (506, 412563), (678, 307901), (759, 275042), (1217, 171534), (1243, 167946), (1518, 137521), (2434, 85767), (2486, 83973), (2599, 80322), (3651, 57178), (3729, 55982), (5198, 40161), (7302, 28589), (7458, 27991), (7797, 26774), (13387, 15594)]