201990572

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{36251}}^1$

素因数の和:36461

約数の個数: 24

約数和(自身を含む): 406022400

約数和(自身を除く): 204031828

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 36251, 72502, 145004, 253757, 507514, 1015028, 7213949, 14427898, 28855796, 50497643, 100995286, 201990572]

約数ペア:

[(1, 201990572), (2, 100995286), (4, 50497643), (7, 28855796), (14, 14427898), (28, 7213949), (199, 1015028), (398, 507514), (796, 253757), (1393, 145004), (2786, 72502), (5572, 36251)]