131400518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{66431}}^1$

素因数の和:66499

約数の個数: 16

約数和(自身を含む): 210456576

約数和(自身を除く): 79056058

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 66431, 132862, 1527913, 2856533, 3055826, 5713066, 65700259, 131400518]

約数ペア:

[(1, 131400518), (2, 65700259), (23, 5713066), (43, 3055826), (46, 2856533), (86, 1527913), (989, 132862), (1978, 66431)]