72221639

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 86917248

約数和(自身を除く): 14695609

約数列:

[1, 7, 43, 49, 151, 227, 301, 1057, 1589, 2107, 6493, 7399, 9761, 11123, 34277, 45451, 68327, 239939, 318157, 478289, 1473911, 1679573, 10317377, 72221639]

約数ペア:

[(1, 72221639), (7, 10317377), (43, 1679573), (49, 1473911), (151, 478289), (227, 318157), (301, 239939), (1057, 68327), (1589, 45451), (2107, 34277), (6493, 11123), (7399, 9761)]