661672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 1385280

約数和(自身を除く): 723608

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 103, 146, 206, 292, 412, 584, 803, 824, 1133, 1606, 2266, 3212, 4532, 6424, 7519, 9064, 15038, 30076, 60152, 82709, 165418, 330836, 661672]

約数ペア:

[(1, 661672), (2, 330836), (4, 165418), (8, 82709), (11, 60152), (22, 30076), (44, 15038), (73, 9064), (88, 7519), (103, 6424), (146, 4532), (206, 3212), (292, 2266), (412, 1606), (584, 1133), (803, 824)]