217790208

素因数分解:

$2^8\times 3^7\times {\mathrm{389}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 653671200

約数和(自身を除く): 435880992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 389, 432, 486, 576, 648, 729, 768, 778, 864, 972, 1152, 1167, 1296, 1458, 1556, 1728, 1944, 2187, 2304, 2334, 2592, 2916, 3112, 3456, 3501, 3888, 4374, 4668, 5184, 5832, 6224, 6912, 7002, 7776, 8748, 9336, 10368, 10503, 11664, 12448, 14004, 15552, 17496, 18672, 20736, 21006, 23328, 24896, 28008, 31104, 31509, 34992, 37344, 42012, 46656, 49792, 56016, 62208, 63018, 69984, 74688, 84024, 93312, 94527, 99584, 112032, 126036, 139968, 149376, 168048, 186624, 189054, 224064, 252072, 279936, 283581, 298752, 336096, 378108, 448128, 504144, 559872, 567162, 672192, 756216, 850743, 896256, 1008288, 1134324, 1344384, 1512432, 1701486, 2016576, 2268648, 2688768, 3024864, 3402972, 4033152, 4537296, 6049728, 6805944, 8066304, 9074592, 12099456, 13611888, 18149184, 24198912, 27223776, 36298368, 54447552, 72596736, 108895104, 217790208]

約数ペア:

[(1, 217790208), (2, 108895104), (3, 72596736), (4, 54447552), (6, 36298368), (8, 27223776), (9, 24198912), (12, 18149184), (16, 13611888), (18, 12099456), (24, 9074592), (27, 8066304), (32, 6805944), (36, 6049728), (48, 4537296), (54, 4033152), (64, 3402972), (72, 3024864), (81, 2688768), (96, 2268648), (108, 2016576), (128, 1701486), (144, 1512432), (162, 1344384), (192, 1134324), (216, 1008288), (243, 896256), (256, 850743), (288, 756216), (324, 672192), (384, 567162), (389, 559872), (432, 504144), (486, 448128), (576, 378108), (648, 336096), (729, 298752), (768, 283581), (778, 279936), (864, 252072), (972, 224064), (1152, 189054), (1167, 186624), (1296, 168048), (1458, 149376), (1556, 139968), (1728, 126036), (1944, 112032), (2187, 99584), (2304, 94527), (2334, 93312), (2592, 84024), (2916, 74688), (3112, 69984), (3456, 63018), (3501, 62208), (3888, 56016), (4374, 49792), (4668, 46656), (5184, 42012), (5832, 37344), (6224, 34992), (6912, 31509), (7002, 31104), (7776, 28008), (8748, 24896), (9336, 23328), (10368, 21006), (10503, 20736), (11664, 18672), (12448, 17496), (14004, 15552)]