161644688

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 317684280

約数和(自身を除く): 156039592

約数列:

[1, 2, 4, 8, 16, 157, 229, 281, 314, 458, 562, 628, 916, 1124, 1256, 1832, 2248, 2512, 3664, 4496, 35953, 44117, 64349, 71906, 88234, 128698, 143812, 176468, 257396, 287624, 352936, 514792, 575248, 705872, 1029584, 10102793, 20205586, 40411172, 80822344, 161644688]

約数ペア:

[(1, 161644688), (2, 80822344), (4, 40411172), (8, 20205586), (16, 10102793), (157, 1029584), (229, 705872), (281, 575248), (314, 514792), (458, 352936), (562, 287624), (628, 257396), (916, 176468), (1124, 143812), (1256, 128698), (1832, 88234), (2248, 71906), (2512, 64349), (3664, 44117), (4496, 35953)]