28426990081

素因数分解:

$7^1\times {\mathrm{521}}^1\times {\mathrm{1993}}^1\times {\mathrm{3911}}^1$

素因数の和:6432

約数の個数: 16

約数和(自身を含む): 32575004928

約数和(自身を除く): 4148014847

約数列:

[1, 7, 521, 1993, 3647, 3911, 13951, 27377, 1038353, 2037631, 7268471, 7794623, 14263417, 54562361, 4060998583, 28426990081]

約数ペア:

[(1, 28426990081), (7, 4060998583), (521, 54562361), (1993, 14263417), (3647, 7794623), (3911, 7268471), (13951, 2037631), (27377, 1038353)]