161939456

素因数分解:

$2^{16}\times 7^1\times {\mathrm{353}}^1$

素因数の和:392

約数の個数: 68

約数和(自身を含む): 371193072

約数和(自身を除く): 209253616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 353, 448, 512, 706, 896, 1024, 1412, 1792, 2048, 2471, 2824, 3584, 4096, 4942, 5648, 7168, 8192, 9884, 11296, 14336, 16384, 19768, 22592, 28672, 32768, 39536, 45184, 57344, 65536, 79072, 90368, 114688, 158144, 180736, 229376, 316288, 361472, 458752, 632576, 722944, 1265152, 1445888, 2530304, 2891776, 5060608, 5783552, 10121216, 11567104, 20242432, 23134208, 40484864, 80969728, 161939456]

約数ペア:

[(1, 161939456), (2, 80969728), (4, 40484864), (7, 23134208), (8, 20242432), (14, 11567104), (16, 10121216), (28, 5783552), (32, 5060608), (56, 2891776), (64, 2530304), (112, 1445888), (128, 1265152), (224, 722944), (256, 632576), (353, 458752), (448, 361472), (512, 316288), (706, 229376), (896, 180736), (1024, 158144), (1412, 114688), (1792, 90368), (2048, 79072), (2471, 65536), (2824, 57344), (3584, 45184), (4096, 39536), (4942, 32768), (5648, 28672), (7168, 22592), (8192, 19768), (9884, 16384), (11296, 14336)]