209211014

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{77543}}^1$

素因数の和:77635

約数の個数: 16

約数和(自身を含む): 334990080

約数和(自身を除く): 125779066

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 77543, 155086, 1473317, 2946634, 5505553, 11011106, 104605507, 209211014]

約数ペア:

[(1, 209211014), (2, 104605507), (19, 11011106), (38, 5505553), (71, 2946634), (142, 1473317), (1349, 155086), (2698, 77543)]