38964758

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20023}}^1$

素因数の和:20171

約数の個数: 16

約数和(自身を含む): 67280640

約数和(自身を除く): 28315882

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20023, 40046, 140161, 280322, 2783197, 5566394, 19482379, 38964758]

約数ペア:

[(1, 38964758), (2, 19482379), (7, 5566394), (14, 2783197), (139, 280322), (278, 140161), (973, 40046), (1946, 20023)]