28955808

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 144

約数和(自身を含む): 96235776

約数和(自身を除く): 67279968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 53, 56, 63, 72, 84, 96, 106, 112, 126, 144, 159, 168, 212, 224, 252, 271, 288, 318, 336, 371, 424, 477, 504, 542, 636, 672, 742, 813, 848, 954, 1008, 1084, 1113, 1272, 1484, 1626, 1696, 1897, 1908, 2016, 2168, 2226, 2439, 2544, 2968, 3252, 3339, 3794, 3816, 4336, 4452, 4878, 5088, 5691, 5936, 6504, 6678, 7588, 7632, 8672, 8904, 9756, 11382, 11872, 13008, 13356, 14363, 15176, 15264, 17073, 17808, 19512, 22764, 26016, 26712, 28726, 30352, 34146, 35616, 39024, 43089, 45528, 53424, 57452, 60704, 68292, 78048, 86178, 91056, 100541, 106848, 114904, 129267, 136584, 172356, 182112, 201082, 229808, 258534, 273168, 301623, 344712, 402164, 459616, 517068, 546336, 603246, 689424, 804328, 904869, 1034136, 1206492, 1378848, 1608656, 1809738, 2068272, 2412984, 3217312, 3619476, 4136544, 4825968, 7238952, 9651936, 14477904, 28955808]

約数ペア:

[(1, 28955808), (2, 14477904), (3, 9651936), (4, 7238952), (6, 4825968), (7, 4136544), (8, 3619476), (9, 3217312), (12, 2412984), (14, 2068272), (16, 1809738), (18, 1608656), (21, 1378848), (24, 1206492), (28, 1034136), (32, 904869), (36, 804328), (42, 689424), (48, 603246), (53, 546336), (56, 517068), (63, 459616), (72, 402164), (84, 344712), (96, 301623), (106, 273168), (112, 258534), (126, 229808), (144, 201082), (159, 182112), (168, 172356), (212, 136584), (224, 129267), (252, 114904), (271, 106848), (288, 100541), (318, 91056), (336, 86178), (371, 78048), (424, 68292), (477, 60704), (504, 57452), (542, 53424), (636, 45528), (672, 43089), (742, 39024), (813, 35616), (848, 34146), (954, 30352), (1008, 28726), (1084, 26712), (1113, 26016), (1272, 22764), (1484, 19512), (1626, 17808), (1696, 17073), (1897, 15264), (1908, 15176), (2016, 14363), (2168, 13356), (2226, 13008), (2439, 11872), (2544, 11382), (2968, 9756), (3252, 8904), (3339, 8672), (3794, 7632), (3816, 7588), (4336, 6678), (4452, 6504), (4878, 5936), (5088, 5691)]