1644167168

素因数分解:

$2^{25}\times 7^2$

素因数の和:64

約数の個数: 78

約数和(自身を含む): 3825205191

約数和(自身を除く): 2181038023

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 2048, 3136, 3584, 4096, 6272, 7168, 8192, 12544, 14336, 16384, 25088, 28672, 32768, 50176, 57344, 65536, 100352, 114688, 131072, 200704, 229376, 262144, 401408, 458752, 524288, 802816, 917504, 1048576, 1605632, 1835008, 2097152, 3211264, 3670016, 4194304, 6422528, 7340032, 8388608, 12845056, 14680064, 16777216, 25690112, 29360128, 33554432, 51380224, 58720256, 102760448, 117440512, 205520896, 234881024, 411041792, 822083584, 1644167168]

約数ペア:

[(1, 1644167168), (2, 822083584), (4, 411041792), (7, 234881024), (8, 205520896), (14, 117440512), (16, 102760448), (28, 58720256), (32, 51380224), (49, 33554432), (56, 29360128), (64, 25690112), (98, 16777216), (112, 14680064), (128, 12845056), (196, 8388608), (224, 7340032), (256, 6422528), (392, 4194304), (448, 3670016), (512, 3211264), (784, 2097152), (896, 1835008), (1024, 1605632), (1568, 1048576), (1792, 917504), (2048, 802816), (3136, 524288), (3584, 458752), (4096, 401408), (6272, 262144), (7168, 229376), (8192, 200704), (12544, 131072), (14336, 114688), (16384, 100352), (25088, 65536), (28672, 57344), (32768, 50176)]