81518118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:769

約数の個数: 64

約数和(自身を含む): 188116992

約数和(自身を除く): 106598874

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 83, 138, 166, 249, 253, 498, 506, 647, 759, 913, 1294, 1518, 1826, 1909, 1941, 2739, 3818, 3882, 5478, 5727, 7117, 11454, 14234, 14881, 20999, 21351, 29762, 41998, 42702, 44643, 53701, 62997, 89286, 107402, 125994, 161103, 163691, 322206, 327382, 491073, 590711, 982146, 1181422, 1235123, 1772133, 2470246, 3544266, 3705369, 7410738, 13586353, 27172706, 40759059, 81518118]

約数ペア:

[(1, 81518118), (2, 40759059), (3, 27172706), (6, 13586353), (11, 7410738), (22, 3705369), (23, 3544266), (33, 2470246), (46, 1772133), (66, 1235123), (69, 1181422), (83, 982146), (138, 590711), (166, 491073), (249, 327382), (253, 322206), (498, 163691), (506, 161103), (647, 125994), (759, 107402), (913, 89286), (1294, 62997), (1518, 53701), (1826, 44643), (1909, 42702), (1941, 41998), (2739, 29762), (3818, 21351), (3882, 20999), (5478, 14881), (5727, 14234), (7117, 11454)]