217591946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1151}}^1$

素因数の和:1838

約数の個数: 32

約数和(自身を含む): 384362496

約数和(自身を除く): 166770550

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 661, 1151, 1322, 2302, 7271, 8593, 12661, 14542, 14963, 17186, 25322, 29926, 94523, 164593, 189046, 329186, 760811, 1521622, 8368921, 9890543, 16737842, 19781086, 108795973, 217591946]

約数ペア:

[(1, 217591946), (2, 108795973), (11, 19781086), (13, 16737842), (22, 9890543), (26, 8368921), (143, 1521622), (286, 760811), (661, 329186), (1151, 189046), (1322, 164593), (2302, 94523), (7271, 29926), (8593, 25322), (12661, 17186), (14542, 14963)]