131225544

素因数分解:

$2^3\times 3^2\times {\mathrm{113}}^1\times {\mathrm{127}}^2$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 361393110

約数和(自身を除く): 230167566

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 113, 127, 226, 254, 339, 381, 452, 508, 678, 762, 904, 1016, 1017, 1143, 1356, 1524, 2034, 2286, 2712, 3048, 4068, 4572, 8136, 9144, 14351, 16129, 28702, 32258, 43053, 48387, 57404, 64516, 86106, 96774, 114808, 129032, 129159, 145161, 172212, 193548, 258318, 290322, 344424, 387096, 516636, 580644, 1033272, 1161288, 1822577, 3645154, 5467731, 7290308, 10935462, 14580616, 16403193, 21870924, 32806386, 43741848, 65612772, 131225544]

約数ペア:

[(1, 131225544), (2, 65612772), (3, 43741848), (4, 32806386), (6, 21870924), (8, 16403193), (9, 14580616), (12, 10935462), (18, 7290308), (24, 5467731), (36, 3645154), (72, 1822577), (113, 1161288), (127, 1033272), (226, 580644), (254, 516636), (339, 387096), (381, 344424), (452, 290322), (508, 258318), (678, 193548), (762, 172212), (904, 145161), (1016, 129159), (1017, 129032), (1143, 114808), (1356, 96774), (1524, 86106), (2034, 64516), (2286, 57404), (2712, 48387), (3048, 43053), (4068, 32258), (4572, 28702), (8136, 16129), (9144, 14351)]