81886908

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 195955200

約数和(自身を除く): 114068292

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 199, 212, 318, 398, 597, 636, 647, 796, 1194, 1294, 1941, 2388, 2588, 3882, 7764, 10547, 21094, 31641, 34291, 42188, 63282, 68582, 102873, 126564, 128753, 137164, 205746, 257506, 386259, 411492, 515012, 772518, 1545036, 6823909, 13647818, 20471727, 27295636, 40943454, 81886908]

約数ペア:

[(1, 81886908), (2, 40943454), (3, 27295636), (4, 20471727), (6, 13647818), (12, 6823909), (53, 1545036), (106, 772518), (159, 515012), (199, 411492), (212, 386259), (318, 257506), (398, 205746), (597, 137164), (636, 128753), (647, 126564), (796, 102873), (1194, 68582), (1294, 63282), (1941, 42188), (2388, 34291), (2588, 31641), (3882, 21094), (7764, 10547)]