215602

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 16

約数和(自身を含む): 348480

約数和(自身を除く): 132878

約数列:

[1, 2, 23, 43, 46, 86, 109, 218, 989, 1978, 2507, 4687, 5014, 9374, 107801, 215602]

約数ペア:

[(1, 215602), (2, 107801), (23, 9374), (43, 5014), (46, 4687), (86, 2507), (109, 1978), (218, 989)]