218393087

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 257495040

約数和(自身を除く): 39101953

約数列:

[1, 11, 19, 43, 209, 361, 473, 817, 1279, 3971, 8987, 14069, 15523, 24301, 54997, 170753, 267311, 461719, 604967, 1044943, 5078909, 11494373, 19853917, 218393087]

約数ペア:

[(1, 218393087), (11, 19853917), (19, 11494373), (43, 5078909), (209, 1044943), (361, 604967), (473, 461719), (817, 267311), (1279, 170753), (3971, 54997), (8987, 24301), (14069, 15523)]