28509408

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 120

約数和(自身を含む): 88914672

約数和(自身を除く): 60405264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 204, 216, 272, 288, 306, 324, 408, 432, 459, 544, 612, 647, 648, 816, 864, 918, 1224, 1294, 1296, 1377, 1632, 1836, 1941, 2448, 2588, 2592, 2754, 3672, 3882, 4896, 5176, 5508, 5823, 7344, 7764, 10352, 10999, 11016, 11646, 14688, 15528, 17469, 20704, 21998, 22032, 23292, 31056, 32997, 34938, 43996, 44064, 46584, 52407, 62112, 65994, 69876, 87992, 93168, 98991, 104814, 131988, 139752, 175984, 186336, 197982, 209628, 263976, 279504, 296973, 351968, 395964, 419256, 527952, 559008, 593946, 791928, 838512, 890919, 1055904, 1187892, 1583856, 1677024, 1781838, 2375784, 3167712, 3563676, 4751568, 7127352, 9503136, 14254704, 28509408]

約数ペア:

[(1, 28509408), (2, 14254704), (3, 9503136), (4, 7127352), (6, 4751568), (8, 3563676), (9, 3167712), (12, 2375784), (16, 1781838), (17, 1677024), (18, 1583856), (24, 1187892), (27, 1055904), (32, 890919), (34, 838512), (36, 791928), (48, 593946), (51, 559008), (54, 527952), (68, 419256), (72, 395964), (81, 351968), (96, 296973), (102, 279504), (108, 263976), (136, 209628), (144, 197982), (153, 186336), (162, 175984), (204, 139752), (216, 131988), (272, 104814), (288, 98991), (306, 93168), (324, 87992), (408, 69876), (432, 65994), (459, 62112), (544, 52407), (612, 46584), (647, 44064), (648, 43996), (816, 34938), (864, 32997), (918, 31056), (1224, 23292), (1294, 22032), (1296, 21998), (1377, 20704), (1632, 17469), (1836, 15528), (1941, 14688), (2448, 11646), (2588, 11016), (2592, 10999), (2754, 10352), (3672, 7764), (3882, 7344), (4896, 5823), (5176, 5508)]