243539928

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^2\times {\mathrm{491}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 668989620

約数和(自身を除く): 425449692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 166, 249, 332, 491, 498, 664, 747, 982, 996, 1473, 1494, 1964, 1992, 2946, 2988, 3928, 4419, 5892, 5976, 6889, 8838, 11784, 13778, 17676, 20667, 27556, 35352, 40753, 41334, 55112, 62001, 81506, 82668, 122259, 124002, 163012, 165336, 244518, 248004, 326024, 366777, 489036, 496008, 733554, 978072, 1467108, 2934216, 3382499, 6764998, 10147497, 13529996, 20294994, 27059992, 30442491, 40589988, 60884982, 81179976, 121769964, 243539928]

約数ペア:

[(1, 243539928), (2, 121769964), (3, 81179976), (4, 60884982), (6, 40589988), (8, 30442491), (9, 27059992), (12, 20294994), (18, 13529996), (24, 10147497), (36, 6764998), (72, 3382499), (83, 2934216), (166, 1467108), (249, 978072), (332, 733554), (491, 496008), (498, 489036), (664, 366777), (747, 326024), (982, 248004), (996, 244518), (1473, 165336), (1494, 163012), (1964, 124002), (1992, 122259), (2946, 82668), (2988, 81506), (3928, 62001), (4419, 55112), (5892, 41334), (5976, 40753), (6889, 35352), (8838, 27556), (11784, 20667), (13778, 17676)]