140291816

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{12589}}^1$

素因数の和:12801

約数の個数: 32

約数和(自身を含む): 302160000

約数和(自身を除く): 161868184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 12589, 25178, 50356, 88123, 100712, 176246, 352492, 704984, 2505211, 5010422, 10020844, 17536477, 20041688, 35072954, 70145908, 140291816]

約数ペア:

[(1, 140291816), (2, 70145908), (4, 35072954), (7, 20041688), (8, 17536477), (14, 10020844), (28, 5010422), (56, 2505211), (199, 704984), (398, 352492), (796, 176246), (1393, 100712), (1592, 88123), (2786, 50356), (5572, 25178), (11144, 12589)]