28572145

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 11647055

約数列:

[1, 5, 7, 35, 49, 139, 245, 695, 839, 973, 4195, 4865, 5873, 6811, 29365, 34055, 41111, 116621, 205555, 583105, 816347, 4081735, 5714429, 28572145]

約数ペア:

[(1, 28572145), (5, 5714429), (7, 4081735), (35, 816347), (49, 583105), (139, 205555), (245, 116621), (695, 41111), (839, 34055), (973, 29365), (4195, 6811), (4865, 5873)]