208065613

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{523}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 253758528

約数和(自身を除く): 45692915

約数列:

[1, 7, 23, 49, 161, 353, 523, 1127, 2471, 3661, 8119, 12029, 17297, 25627, 56833, 84203, 184619, 397831, 589421, 1292333, 4246237, 9046331, 29723659, 208065613]

約数ペア:

[(1, 208065613), (7, 29723659), (23, 9046331), (49, 4246237), (161, 1292333), (353, 589421), (523, 397831), (1127, 184619), (2471, 84203), (3661, 56833), (8119, 25627), (12029, 17297)]