27981456

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 78102144

約数和(自身を除く): 50120688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 53, 68, 102, 106, 136, 159, 204, 212, 272, 318, 408, 424, 636, 647, 816, 848, 901, 1272, 1294, 1802, 1941, 2544, 2588, 2703, 3604, 3882, 5176, 5406, 7208, 7764, 10352, 10812, 10999, 14416, 15528, 21624, 21998, 31056, 32997, 34291, 43248, 43996, 65994, 68582, 87992, 102873, 131988, 137164, 175984, 205746, 263976, 274328, 411492, 527952, 548656, 582947, 822984, 1165894, 1645968, 1748841, 2331788, 3497682, 4663576, 6995364, 9327152, 13990728, 27981456]

約数ペア:

[(1, 27981456), (2, 13990728), (3, 9327152), (4, 6995364), (6, 4663576), (8, 3497682), (12, 2331788), (16, 1748841), (17, 1645968), (24, 1165894), (34, 822984), (48, 582947), (51, 548656), (53, 527952), (68, 411492), (102, 274328), (106, 263976), (136, 205746), (159, 175984), (204, 137164), (212, 131988), (272, 102873), (318, 87992), (408, 68582), (424, 65994), (636, 43996), (647, 43248), (816, 34291), (848, 32997), (901, 31056), (1272, 21998), (1294, 21624), (1802, 15528), (1941, 14416), (2544, 10999), (2588, 10812), (2703, 10352), (3604, 7764), (3882, 7208), (5176, 5406)]