128280972

素因数分解:

$2^2\times 3^1\times {\mathrm{199}}^1\times {\mathrm{53719}}^1$

素因数の和:53925

約数の個数: 24

約数和(自身を含む): 300832000

約数和(自身を除く): 172551028

約数列:

[1, 2, 3, 4, 6, 12, 199, 398, 597, 796, 1194, 2388, 53719, 107438, 161157, 214876, 322314, 644628, 10690081, 21380162, 32070243, 42760324, 64140486, 128280972]

約数ペア:

[(1, 128280972), (2, 64140486), (3, 42760324), (4, 32070243), (6, 21380162), (12, 10690081), (199, 644628), (398, 322314), (597, 214876), (796, 161157), (1194, 107438), (2388, 53719)]