251796292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 488880000

約数和(自身を除く): 237083708

約数列:

[1, 2, 4, 11, 22, 44, 149, 193, 199, 298, 386, 398, 596, 772, 796, 1639, 2123, 2189, 3278, 4246, 4378, 6556, 8492, 8756, 28757, 29651, 38407, 57514, 59302, 76814, 115028, 118604, 153628, 316327, 326161, 422477, 632654, 652322, 844954, 1265308, 1304644, 1689908, 5722643, 11445286, 22890572, 62949073, 125898146, 251796292]

約数ペア:

[(1, 251796292), (2, 125898146), (4, 62949073), (11, 22890572), (22, 11445286), (44, 5722643), (149, 1689908), (193, 1304644), (199, 1265308), (298, 844954), (386, 652322), (398, 632654), (596, 422477), (772, 326161), (796, 316327), (1639, 153628), (2123, 118604), (2189, 115028), (3278, 76814), (4246, 59302), (4378, 57514), (6556, 38407), (8492, 29651), (8756, 28757)]