28985642

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{20101}}^1$

素因数の和:20213

約数の個数: 16

約数和(自身を含む): 50174592

約数和(自身を除く): 21188950

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 20101, 40202, 140707, 281414, 2070403, 4140806, 14492821, 28985642]

約数ペア:

[(1, 28985642), (2, 14492821), (7, 4140806), (14, 2070403), (103, 281414), (206, 140707), (721, 40202), (1442, 20101)]