78820418

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{1499}}^1$

素因数の和:1993

約数の個数: 16

約数和(自身を含む): 120528000

約数和(自身を除く): 41707582

約数列:

[1, 2, 61, 122, 431, 862, 1499, 2998, 26291, 52582, 91439, 182878, 646069, 1292138, 39410209, 78820418]

約数ペア:

[(1, 78820418), (2, 39410209), (61, 1292138), (122, 646069), (431, 182878), (862, 91439), (1499, 52582), (2998, 26291)]