208223807

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 247726080

約数和(自身を除く): 39502273

約数列:

[1, 11, 23, 31, 139, 191, 253, 341, 713, 1529, 2101, 3197, 4309, 4393, 5921, 7843, 26549, 35167, 47399, 48323, 65131, 99107, 136183, 292039, 610627, 823019, 1090177, 1498013, 6716897, 9053209, 18929437, 208223807]

約数ペア:

[(1, 208223807), (11, 18929437), (23, 9053209), (31, 6716897), (139, 1498013), (191, 1090177), (253, 823019), (341, 610627), (713, 292039), (1529, 136183), (2101, 99107), (3197, 65131), (4309, 48323), (4393, 47399), (5921, 35167), (7843, 26549)]