664272896

素因数分解:

$2^{19}\times 7^1\times {\mathrm{181}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 1526725200

約数和(自身を除く): 862452304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 256, 362, 448, 512, 724, 896, 1024, 1267, 1448, 1792, 2048, 2534, 2896, 3584, 4096, 5068, 5792, 7168, 8192, 10136, 11584, 14336, 16384, 20272, 23168, 28672, 32768, 40544, 46336, 57344, 65536, 81088, 92672, 114688, 131072, 162176, 185344, 229376, 262144, 324352, 370688, 458752, 524288, 648704, 741376, 917504, 1297408, 1482752, 1835008, 2594816, 2965504, 3670016, 5189632, 5931008, 10379264, 11862016, 20758528, 23724032, 41517056, 47448064, 83034112, 94896128, 166068224, 332136448, 664272896]

約数ペア:

[(1, 664272896), (2, 332136448), (4, 166068224), (7, 94896128), (8, 83034112), (14, 47448064), (16, 41517056), (28, 23724032), (32, 20758528), (56, 11862016), (64, 10379264), (112, 5931008), (128, 5189632), (181, 3670016), (224, 2965504), (256, 2594816), (362, 1835008), (448, 1482752), (512, 1297408), (724, 917504), (896, 741376), (1024, 648704), (1267, 524288), (1448, 458752), (1792, 370688), (2048, 324352), (2534, 262144), (2896, 229376), (3584, 185344), (4096, 162176), (5068, 131072), (5792, 114688), (7168, 92672), (8192, 81088), (10136, 65536), (11584, 57344), (14336, 46336), (16384, 40544), (20272, 32768), (23168, 28672)]