81017784

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{66191}}^1$

素因数の和:66220

約数の個数: 48

約数和(自身を含む): 232333920

約数和(自身を除く): 151316136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 66191, 132382, 198573, 264764, 397146, 529528, 595719, 794292, 1125247, 1191438, 1588584, 2250494, 2382876, 3375741, 4500988, 4765752, 6751482, 9001976, 10127223, 13502964, 20254446, 27005928, 40508892, 81017784]

約数ペア:

[(1, 81017784), (2, 40508892), (3, 27005928), (4, 20254446), (6, 13502964), (8, 10127223), (9, 9001976), (12, 6751482), (17, 4765752), (18, 4500988), (24, 3375741), (34, 2382876), (36, 2250494), (51, 1588584), (68, 1191438), (72, 1125247), (102, 794292), (136, 595719), (153, 529528), (204, 397146), (306, 264764), (408, 198573), (612, 132382), (1224, 66191)]