78969918

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{20533}}^1$

素因数の和:21179

約数の個数: 16

約数和(自身を含む): 158193936

約数和(自身を除く): 79224018

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 20533, 41066, 61599, 123198, 13161653, 26323306, 39484959, 78969918]

約数ペア:

[(1, 78969918), (2, 39484959), (3, 26323306), (6, 13161653), (641, 123198), (1282, 61599), (1923, 41066), (3846, 20533)]