257808384

素因数分解:

$2^{11}\times 3^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 758918160

約数和(自身を除く): 501109776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 197, 213, 256, 284, 288, 384, 394, 426, 512, 568, 576, 591, 639, 768, 788, 852, 1024, 1136, 1152, 1182, 1278, 1536, 1576, 1704, 1773, 2048, 2272, 2304, 2364, 2556, 3072, 3152, 3408, 3546, 4544, 4608, 4728, 5112, 6144, 6304, 6816, 7092, 9088, 9216, 9456, 10224, 12608, 13632, 13987, 14184, 18176, 18432, 18912, 20448, 25216, 27264, 27974, 28368, 36352, 37824, 40896, 41961, 50432, 54528, 55948, 56736, 72704, 75648, 81792, 83922, 100864, 109056, 111896, 113472, 125883, 145408, 151296, 163584, 167844, 201728, 218112, 223792, 226944, 251766, 302592, 327168, 335688, 403456, 436224, 447584, 453888, 503532, 605184, 654336, 671376, 895168, 907776, 1007064, 1210368, 1308672, 1342752, 1790336, 1815552, 2014128, 2685504, 3580672, 3631104, 4028256, 5371008, 7161344, 8056512, 10742016, 14322688, 16113024, 21484032, 28645376, 32226048, 42968064, 64452096, 85936128, 128904192, 257808384]

約数ペア:

[(1, 257808384), (2, 128904192), (3, 85936128), (4, 64452096), (6, 42968064), (8, 32226048), (9, 28645376), (12, 21484032), (16, 16113024), (18, 14322688), (24, 10742016), (32, 8056512), (36, 7161344), (48, 5371008), (64, 4028256), (71, 3631104), (72, 3580672), (96, 2685504), (128, 2014128), (142, 1815552), (144, 1790336), (192, 1342752), (197, 1308672), (213, 1210368), (256, 1007064), (284, 907776), (288, 895168), (384, 671376), (394, 654336), (426, 605184), (512, 503532), (568, 453888), (576, 447584), (591, 436224), (639, 403456), (768, 335688), (788, 327168), (852, 302592), (1024, 251766), (1136, 226944), (1152, 223792), (1182, 218112), (1278, 201728), (1536, 167844), (1576, 163584), (1704, 151296), (1773, 145408), (2048, 125883), (2272, 113472), (2304, 111896), (2364, 109056), (2556, 100864), (3072, 83922), (3152, 81792), (3408, 75648), (3546, 72704), (4544, 56736), (4608, 55948), (4728, 54528), (5112, 50432), (6144, 41961), (6304, 40896), (6816, 37824), (7092, 36352), (9088, 28368), (9216, 27974), (9456, 27264), (10224, 25216), (12608, 20448), (13632, 18912), (13987, 18432), (14184, 18176)]