81425288

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^2\times {\mathrm{127}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 177515520

約数和(自身を除く): 96090232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 127, 214, 254, 428, 508, 749, 856, 889, 1016, 1498, 1778, 2996, 3556, 5992, 7112, 11449, 13589, 22898, 27178, 45796, 54356, 80143, 91592, 95123, 108712, 160286, 190246, 320572, 380492, 641144, 760984, 1454023, 2908046, 5816092, 10178161, 11632184, 20356322, 40712644, 81425288]

約数ペア:

[(1, 81425288), (2, 40712644), (4, 20356322), (7, 11632184), (8, 10178161), (14, 5816092), (28, 2908046), (56, 1454023), (107, 760984), (127, 641144), (214, 380492), (254, 320572), (428, 190246), (508, 160286), (749, 108712), (856, 95123), (889, 91592), (1016, 80143), (1498, 54356), (1778, 45796), (2996, 27178), (3556, 22898), (5992, 13589), (7112, 11449)]