28431998

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{15991}}^1$

素因数の和:16127

約数の個数: 16

約数和(自身を含む): 49127424

約数和(自身を除く): 20695426

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 15991, 31982, 111937, 223874, 2030857, 4061714, 14215999, 28431998]

約数ペア:

[(1, 28431998), (2, 14215999), (7, 4061714), (14, 2030857), (127, 223874), (254, 111937), (889, 31982), (1778, 15991)]