213876938

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{691}}^1\times {\mathrm{1279}}^1$

素因数の和:1994

約数の個数: 24

約数和(自身を含む): 353418240

約数和(自身を除く): 139541302

約数列:

[1, 2, 11, 22, 121, 242, 691, 1279, 1382, 2558, 7601, 14069, 15202, 28138, 83611, 154759, 167222, 309518, 883789, 1767578, 9721679, 19443358, 106938469, 213876938]

約数ペア:

[(1, 213876938), (2, 106938469), (11, 19443358), (22, 9721679), (121, 1767578), (242, 883789), (691, 309518), (1279, 167222), (1382, 154759), (2558, 83611), (7601, 28138), (14069, 15202)]