1638217728

素因数分解:

$2^{11}\times 3^2\times 7^1\times {\mathrm{12697}}^1$

素因数の和:12732

約数の個数: 144

約数和(自身を含む): 5407824240

約数和(自身を除く): 3769606512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1024, 1152, 1344, 1536, 1792, 2016, 2048, 2304, 2688, 3072, 3584, 4032, 4608, 5376, 6144, 7168, 8064, 9216, 10752, 12697, 14336, 16128, 18432, 21504, 25394, 32256, 38091, 43008, 50788, 64512, 76182, 88879, 101576, 114273, 129024, 152364, 177758, 203152, 228546, 266637, 304728, 355516, 406304, 457092, 533274, 609456, 711032, 799911, 812608, 914184, 1066548, 1218912, 1422064, 1599822, 1625216, 1828368, 2133096, 2437824, 2844128, 3199644, 3250432, 3656736, 4266192, 4875648, 5688256, 6399288, 6500864, 7313472, 8532384, 9751296, 11376512, 12798576, 13001728, 14626944, 17064768, 19502592, 22753024, 25597152, 26003456, 29253888, 34129536, 39005184, 45506048, 51194304, 58507776, 68259072, 78010368, 91012096, 102388608, 117015552, 136518144, 182024192, 204777216, 234031104, 273036288, 409554432, 546072576, 819108864, 1638217728]

約数ペア:

[(1, 1638217728), (2, 819108864), (3, 546072576), (4, 409554432), (6, 273036288), (7, 234031104), (8, 204777216), (9, 182024192), (12, 136518144), (14, 117015552), (16, 102388608), (18, 91012096), (21, 78010368), (24, 68259072), (28, 58507776), (32, 51194304), (36, 45506048), (42, 39005184), (48, 34129536), (56, 29253888), (63, 26003456), (64, 25597152), (72, 22753024), (84, 19502592), (96, 17064768), (112, 14626944), (126, 13001728), (128, 12798576), (144, 11376512), (168, 9751296), (192, 8532384), (224, 7313472), (252, 6500864), (256, 6399288), (288, 5688256), (336, 4875648), (384, 4266192), (448, 3656736), (504, 3250432), (512, 3199644), (576, 2844128), (672, 2437824), (768, 2133096), (896, 1828368), (1008, 1625216), (1024, 1599822), (1152, 1422064), (1344, 1218912), (1536, 1066548), (1792, 914184), (2016, 812608), (2048, 799911), (2304, 711032), (2688, 609456), (3072, 533274), (3584, 457092), (4032, 406304), (4608, 355516), (5376, 304728), (6144, 266637), (7168, 228546), (8064, 203152), (9216, 177758), (10752, 152364), (12697, 129024), (14336, 114273), (16128, 101576), (18432, 88879), (21504, 76182), (25394, 64512), (32256, 50788), (38091, 43008)]