208689408

素因数分解:

$2^8\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1784

約数の個数: 108

約数和(自身を含む): 613414620

約数和(自身を除く): 404725212

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 64, 72, 96, 106, 128, 144, 159, 192, 212, 256, 288, 318, 384, 424, 477, 576, 636, 768, 848, 954, 1152, 1272, 1696, 1709, 1908, 2304, 2544, 3392, 3418, 3816, 5088, 5127, 6784, 6836, 7632, 10176, 10254, 13568, 13672, 15264, 15381, 20352, 20508, 27344, 30528, 30762, 40704, 41016, 54688, 61056, 61524, 82032, 90577, 109376, 122112, 123048, 164064, 181154, 218752, 246096, 271731, 328128, 362308, 437504, 492192, 543462, 656256, 724616, 815193, 984384, 1086924, 1312512, 1449232, 1630386, 1968768, 2173848, 2898464, 3260772, 3937536, 4347696, 5796928, 6521544, 8695392, 11593856, 13043088, 17390784, 23187712, 26086176, 34781568, 52172352, 69563136, 104344704, 208689408]

約数ペア:

[(1, 208689408), (2, 104344704), (3, 69563136), (4, 52172352), (6, 34781568), (8, 26086176), (9, 23187712), (12, 17390784), (16, 13043088), (18, 11593856), (24, 8695392), (32, 6521544), (36, 5796928), (48, 4347696), (53, 3937536), (64, 3260772), (72, 2898464), (96, 2173848), (106, 1968768), (128, 1630386), (144, 1449232), (159, 1312512), (192, 1086924), (212, 984384), (256, 815193), (288, 724616), (318, 656256), (384, 543462), (424, 492192), (477, 437504), (576, 362308), (636, 328128), (768, 271731), (848, 246096), (954, 218752), (1152, 181154), (1272, 164064), (1696, 123048), (1709, 122112), (1908, 109376), (2304, 90577), (2544, 82032), (3392, 61524), (3418, 61056), (3816, 54688), (5088, 41016), (5127, 40704), (6784, 30762), (6836, 30528), (7632, 27344), (10176, 20508), (10254, 20352), (13568, 15381), (13672, 15264)]