218155982

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{901471}}^1$

素因数の和:901495

約数の個数: 12

約数和(自身を含む): 359687328

約数和(自身を除く): 141531346

約数列:

[1, 2, 11, 22, 121, 242, 901471, 1802942, 9916181, 19832362, 109077991, 218155982]

約数ペア:

[(1, 218155982), (2, 109077991), (11, 19832362), (22, 9916181), (121, 1802942), (242, 901471)]