138357575

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{389}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 176707440

約数和(自身を除く): 38349865

約数列:

[1, 5, 25, 41, 205, 347, 389, 1025, 1735, 1945, 8675, 9725, 14227, 15949, 71135, 79745, 134983, 355675, 398725, 674915, 3374575, 5534303, 27671515, 138357575]

約数ペア:

[(1, 138357575), (5, 27671515), (25, 5534303), (41, 3374575), (205, 674915), (347, 398725), (389, 355675), (1025, 134983), (1735, 79745), (1945, 71135), (8675, 15949), (9725, 14227)]