217205558

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1\times {\mathrm{3659}}^1$

素因数の和:4171

約数の個数: 16

約数和(自身を含む): 331508160

約数和(自身を除く): 114302602

約数列:

[1, 2, 67, 134, 443, 886, 3659, 7318, 29681, 59362, 245153, 490306, 1620937, 3241874, 108602779, 217205558]

約数ペア:

[(1, 217205558), (2, 108602779), (67, 3241874), (134, 1620937), (443, 490306), (886, 245153), (3659, 59362), (7318, 29681)]