640136322

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{220889}}^1$

素因数の和:220927

約数の個数: 48

約数和(自身を含む): 1654024320

約数和(自身を除く): 1013887998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 220889, 441778, 662667, 1325334, 1546223, 1988001, 3092446, 3976002, 4638669, 5080447, 9277338, 10160894, 13916007, 15241341, 27832014, 30482682, 35563129, 45724023, 71126258, 91448046, 106689387, 213378774, 320068161, 640136322]

約数ペア:

[(1, 640136322), (2, 320068161), (3, 213378774), (6, 106689387), (7, 91448046), (9, 71126258), (14, 45724023), (18, 35563129), (21, 30482682), (23, 27832014), (42, 15241341), (46, 13916007), (63, 10160894), (69, 9277338), (126, 5080447), (138, 4638669), (161, 3976002), (207, 3092446), (322, 1988001), (414, 1546223), (483, 1325334), (966, 662667), (1449, 441778), (2898, 220889)]