1639231724

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{56393}}^1$

素因数の和:56466

約数の個数: 36

約数和(自身を含む): 3178591416

約数和(自身を除く): 1539359692

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 676, 1118, 2236, 7267, 14534, 29068, 56393, 112786, 225572, 733109, 1466218, 2424899, 2932436, 4849798, 9530417, 9699596, 19060834, 31523687, 38121668, 63047374, 126094748, 409807931, 819615862, 1639231724]

約数ペア:

[(1, 1639231724), (2, 819615862), (4, 409807931), (13, 126094748), (26, 63047374), (43, 38121668), (52, 31523687), (86, 19060834), (169, 9699596), (172, 9530417), (338, 4849798), (559, 2932436), (676, 2424899), (1118, 1466218), (2236, 733109), (7267, 225572), (14534, 112786), (29068, 56393)]