28713528

素因数分解:

$2^3\times 3^4\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 81660480

約数和(自身を除く): 52946952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 292, 324, 438, 584, 607, 648, 657, 876, 1214, 1314, 1752, 1821, 1971, 2428, 2628, 3642, 3942, 4856, 5256, 5463, 5913, 7284, 7884, 10926, 11826, 14568, 15768, 16389, 21852, 23652, 32778, 43704, 44311, 47304, 49167, 65556, 88622, 98334, 131112, 132933, 177244, 196668, 265866, 354488, 393336, 398799, 531732, 797598, 1063464, 1196397, 1595196, 2392794, 3190392, 3589191, 4785588, 7178382, 9571176, 14356764, 28713528]

約数ペア:

[(1, 28713528), (2, 14356764), (3, 9571176), (4, 7178382), (6, 4785588), (8, 3589191), (9, 3190392), (12, 2392794), (18, 1595196), (24, 1196397), (27, 1063464), (36, 797598), (54, 531732), (72, 398799), (73, 393336), (81, 354488), (108, 265866), (146, 196668), (162, 177244), (216, 132933), (219, 131112), (292, 98334), (324, 88622), (438, 65556), (584, 49167), (607, 47304), (648, 44311), (657, 43704), (876, 32778), (1214, 23652), (1314, 21852), (1752, 16389), (1821, 15768), (1971, 14568), (2428, 11826), (2628, 10926), (3642, 7884), (3942, 7284), (4856, 5913), (5256, 5463)]