256986464

素因数分解:

$2^5\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2861}}^1$

素因数の和:3279

約数の個数: 48

約数和(自身を含む): 579864096

約数和(自身を除く): 322877632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 401, 802, 1604, 2807, 2861, 3208, 5614, 5722, 6416, 11228, 11444, 12832, 20027, 22456, 22888, 40054, 44912, 45776, 80108, 89824, 91552, 160216, 320432, 640864, 1147261, 2294522, 4589044, 8030827, 9178088, 16061654, 18356176, 32123308, 36712352, 64246616, 128493232, 256986464]

約数ペア:

[(1, 256986464), (2, 128493232), (4, 64246616), (7, 36712352), (8, 32123308), (14, 18356176), (16, 16061654), (28, 9178088), (32, 8030827), (56, 4589044), (112, 2294522), (224, 1147261), (401, 640864), (802, 320432), (1604, 160216), (2807, 91552), (2861, 89824), (3208, 80108), (5614, 45776), (5722, 44912), (6416, 40054), (11228, 22888), (11444, 22456), (12832, 20027)]