221505408

素因数分解:

$2^7\times 3^3\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 660960000

約数和(自身を除く): 439454592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 107, 108, 128, 144, 192, 214, 216, 288, 321, 384, 428, 432, 576, 599, 642, 856, 864, 963, 1152, 1198, 1284, 1712, 1728, 1797, 1926, 2396, 2568, 2889, 3424, 3456, 3594, 3852, 4792, 5136, 5391, 5778, 6848, 7188, 7704, 9584, 10272, 10782, 11556, 13696, 14376, 15408, 16173, 19168, 20544, 21564, 23112, 28752, 30816, 32346, 38336, 41088, 43128, 46224, 57504, 61632, 64093, 64692, 76672, 86256, 92448, 115008, 123264, 128186, 129384, 172512, 184896, 192279, 230016, 256372, 258768, 345024, 369792, 384558, 512744, 517536, 576837, 690048, 769116, 1025488, 1035072, 1153674, 1538232, 1730511, 2050976, 2070144, 2307348, 3076464, 3461022, 4101952, 4614696, 6152928, 6922044, 8203904, 9229392, 12305856, 13844088, 18458784, 24611712, 27688176, 36917568, 55376352, 73835136, 110752704, 221505408]

約数ペア:

[(1, 221505408), (2, 110752704), (3, 73835136), (4, 55376352), (6, 36917568), (8, 27688176), (9, 24611712), (12, 18458784), (16, 13844088), (18, 12305856), (24, 9229392), (27, 8203904), (32, 6922044), (36, 6152928), (48, 4614696), (54, 4101952), (64, 3461022), (72, 3076464), (96, 2307348), (107, 2070144), (108, 2050976), (128, 1730511), (144, 1538232), (192, 1153674), (214, 1035072), (216, 1025488), (288, 769116), (321, 690048), (384, 576837), (428, 517536), (432, 512744), (576, 384558), (599, 369792), (642, 345024), (856, 258768), (864, 256372), (963, 230016), (1152, 192279), (1198, 184896), (1284, 172512), (1712, 129384), (1728, 128186), (1797, 123264), (1926, 115008), (2396, 92448), (2568, 86256), (2889, 76672), (3424, 64692), (3456, 64093), (3594, 61632), (3852, 57504), (4792, 46224), (5136, 43128), (5391, 41088), (5778, 38336), (6848, 32346), (7188, 30816), (7704, 28752), (9584, 23112), (10272, 21564), (10782, 20544), (11556, 19168), (13696, 16173), (14376, 15408)]