15550486

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 27498240

約数和(自身を除く): 11947754

約数列:

[1, 2, 7, 14, 61, 122, 131, 139, 262, 278, 427, 854, 917, 973, 1834, 1946, 7991, 8479, 15982, 16958, 18209, 36418, 55937, 59353, 111874, 118706, 127463, 254926, 1110749, 2221498, 7775243, 15550486]

約数ペア:

[(1, 15550486), (2, 7775243), (7, 2221498), (14, 1110749), (61, 254926), (122, 127463), (131, 118706), (139, 111874), (262, 59353), (278, 55937), (427, 36418), (854, 18209), (917, 16958), (973, 15982), (1834, 8479), (1946, 7991)]