80720899

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 93585600

約数和(自身を除く): 12864701

約数列:

[1, 7, 149, 193, 401, 1043, 1351, 2807, 28757, 59749, 77393, 201299, 418243, 541751, 11531557, 80720899]

約数ペア:

[(1, 80720899), (7, 11531557), (149, 541751), (193, 418243), (401, 201299), (1043, 77393), (1351, 59749), (2807, 28757)]