218407130

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{166723}}^1$

素因数の和:166861

約数の個数: 16

約数和(自身を含む): 396136224

約数和(自身を除く): 177729094

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 166723, 333446, 833615, 1667230, 21840713, 43681426, 109203565, 218407130]

約数ペア:

[(1, 218407130), (2, 109203565), (5, 43681426), (10, 21840713), (131, 1667230), (262, 833615), (655, 333446), (1310, 166723)]