201191816

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^2\times {\mathrm{1279}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 439756800

約数和(自身を除く): 238564984

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1279, 1484, 2558, 2809, 2968, 5116, 5618, 8953, 10232, 11236, 17906, 19663, 22472, 35812, 39326, 67787, 71624, 78652, 135574, 157304, 271148, 474509, 542296, 949018, 1898036, 3592711, 3796072, 7185422, 14370844, 25148977, 28741688, 50297954, 100595908, 201191816]

約数ペア:

[(1, 201191816), (2, 100595908), (4, 50297954), (7, 28741688), (8, 25148977), (14, 14370844), (28, 7185422), (53, 3796072), (56, 3592711), (106, 1898036), (212, 949018), (371, 542296), (424, 474509), (742, 271148), (1279, 157304), (1484, 135574), (2558, 78652), (2809, 71624), (2968, 67787), (5116, 39326), (5618, 35812), (8953, 22472), (10232, 19663), (11236, 17906)]