13219991603

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{20753519}}^1$

素因数の和:20753546

約数の個数: 12

約数和(自身を含む): 16561308960

約数和(自身を除く): 3341317357

約数列:

[1, 7, 13, 49, 91, 637, 20753519, 145274633, 269795747, 1016922431, 1888570229, 13219991603]

約数ペア:

[(1, 13219991603), (7, 1888570229), (13, 1016922431), (49, 269795747), (91, 145274633), (637, 20753519)]