2978339

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1466

約数の個数: 16

約数和(自身を含む): 3827712

約数和(自身を除く): 849373

約数列:

[1, 7, 13, 23, 91, 161, 299, 1423, 2093, 9961, 18499, 32729, 129493, 229103, 425477, 2978339]

約数ペア:

[(1, 2978339), (7, 425477), (13, 229103), (23, 129493), (91, 32729), (161, 18499), (299, 9961), (1423, 2093)]