81976972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{266159}}^1$

素因数の和:266181

約数の個数: 24

約数和(自身を含む): 178859520

約数和(自身を除く): 96882548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 266159, 532318, 1064636, 1863113, 2927749, 3726226, 5855498, 7452452, 11710996, 20494243, 40988486, 81976972]

約数ペア:

[(1, 81976972), (2, 40988486), (4, 20494243), (7, 11710996), (11, 7452452), (14, 5855498), (22, 3726226), (28, 2927749), (44, 1863113), (77, 1064636), (154, 532318), (308, 266159)]