128220653

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 153280512

約数和(自身を除く): 25059859

約数列:

[1, 11, 23, 41, 47, 253, 263, 451, 517, 943, 1081, 1927, 2893, 6049, 10373, 10783, 11891, 12361, 21197, 44321, 66539, 118613, 135971, 248009, 284303, 487531, 506801, 2728099, 3127333, 5574811, 11656423, 128220653]

約数ペア:

[(1, 128220653), (11, 11656423), (23, 5574811), (41, 3127333), (47, 2728099), (253, 506801), (263, 487531), (451, 284303), (517, 248009), (943, 135971), (1081, 118613), (1927, 66539), (2893, 44321), (6049, 21197), (10373, 12361), (10783, 11891)]