16561072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 35511120

約数和(自身を除く): 18950048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1289, 1606, 2578, 3212, 5156, 6424, 10312, 12848, 14179, 20624, 28358, 56716, 94097, 113432, 188194, 226864, 376388, 752776, 1035067, 1505552, 2070134, 4140268, 8280536, 16561072]

約数ペア:

[(1, 16561072), (2, 8280536), (4, 4140268), (8, 2070134), (11, 1505552), (16, 1035067), (22, 752776), (44, 376388), (73, 226864), (88, 188194), (146, 113432), (176, 94097), (292, 56716), (584, 28358), (803, 20624), (1168, 14179), (1289, 12848), (1606, 10312), (2578, 6424), (3212, 5156)]