28364004

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 74666592

約数和(自身を除く): 46302588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 73, 86, 129, 146, 172, 219, 251, 258, 292, 387, 438, 502, 516, 657, 753, 774, 876, 1004, 1314, 1506, 1548, 2259, 2628, 3012, 3139, 4518, 6278, 9036, 9417, 10793, 12556, 18323, 18834, 21586, 28251, 32379, 36646, 37668, 43172, 54969, 56502, 64758, 73292, 97137, 109938, 113004, 129516, 164907, 194274, 219876, 329814, 388548, 659628, 787889, 1575778, 2363667, 3151556, 4727334, 7091001, 9454668, 14182002, 28364004]

約数ペア:

[(1, 28364004), (2, 14182002), (3, 9454668), (4, 7091001), (6, 4727334), (9, 3151556), (12, 2363667), (18, 1575778), (36, 787889), (43, 659628), (73, 388548), (86, 329814), (129, 219876), (146, 194274), (172, 164907), (219, 129516), (251, 113004), (258, 109938), (292, 97137), (387, 73292), (438, 64758), (502, 56502), (516, 54969), (657, 43172), (753, 37668), (774, 36646), (876, 32379), (1004, 28251), (1314, 21586), (1506, 18834), (1548, 18323), (2259, 12556), (2628, 10793), (3012, 9417), (3139, 9036), (4518, 6278)]