213882914

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 372556800

約数和(自身を除く): 158673886

約数列:

[1, 2, 7, 14, 131, 139, 262, 278, 839, 917, 973, 1678, 1834, 1946, 5873, 11746, 18209, 36418, 109909, 116621, 127463, 219818, 233242, 254926, 769363, 816347, 1538726, 1632694, 15277351, 30554702, 106941457, 213882914]

約数ペア:

[(1, 213882914), (2, 106941457), (7, 30554702), (14, 15277351), (131, 1632694), (139, 1538726), (262, 816347), (278, 769363), (839, 254926), (917, 233242), (973, 219818), (1678, 127463), (1834, 116621), (1946, 109909), (5873, 36418), (11746, 18209)]