81625656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{929}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 233913600

約数和(自身を除く): 152287944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 523, 929, 1046, 1569, 1858, 2092, 2787, 3138, 3661, 3716, 4184, 5574, 6276, 6503, 7322, 7432, 10983, 11148, 12552, 13006, 14644, 19509, 21966, 22296, 26012, 29288, 39018, 43932, 52024, 78036, 87864, 156072, 485867, 971734, 1457601, 1943468, 2915202, 3401069, 3886936, 5830404, 6802138, 10203207, 11660808, 13604276, 20406414, 27208552, 40812828, 81625656]

約数ペア:

[(1, 81625656), (2, 40812828), (3, 27208552), (4, 20406414), (6, 13604276), (7, 11660808), (8, 10203207), (12, 6802138), (14, 5830404), (21, 3886936), (24, 3401069), (28, 2915202), (42, 1943468), (56, 1457601), (84, 971734), (168, 485867), (523, 156072), (929, 87864), (1046, 78036), (1569, 52024), (1858, 43932), (2092, 39018), (2787, 29288), (3138, 26012), (3661, 22296), (3716, 21966), (4184, 19509), (5574, 14644), (6276, 13006), (6503, 12552), (7322, 11148), (7432, 10983)]