217109804

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{609859}}^1$

素因数の和:609952

約数の個数: 12

約数和(自身を含む): 384211800

約数和(自身を除く): 167101996

約数列:

[1, 2, 4, 89, 178, 356, 609859, 1219718, 2439436, 54277451, 108554902, 217109804]

約数ペア:

[(1, 217109804), (2, 108554902), (4, 54277451), (89, 2439436), (178, 1219718), (356, 609859)]