28016870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12911}}^1$

素因数の和:12956

約数の個数: 32

約数和(自身を含む): 59498496

約数和(自身を除く): 31481626

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 12911, 25822, 64555, 90377, 129110, 180754, 400241, 451885, 800482, 903770, 2001205, 2801687, 4002410, 5603374, 14008435, 28016870]

約数ペア:

[(1, 28016870), (2, 14008435), (5, 5603374), (7, 4002410), (10, 2801687), (14, 2001205), (31, 903770), (35, 800482), (62, 451885), (70, 400241), (155, 180754), (217, 129110), (310, 90377), (434, 64555), (1085, 25822), (2170, 12911)]