12985856

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1982

約数の個数: 40

約数和(自身を含む): 27956544

約数和(自身を除く): 14970688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 1951, 3328, 3902, 6656, 7804, 15608, 25363, 31216, 50726, 62432, 101452, 124864, 202904, 249728, 405808, 499456, 811616, 998912, 1623232, 3246464, 6492928, 12985856]

約数ペア:

[(1, 12985856), (2, 6492928), (4, 3246464), (8, 1623232), (13, 998912), (16, 811616), (26, 499456), (32, 405808), (52, 249728), (64, 202904), (104, 124864), (128, 101452), (208, 62432), (256, 50726), (416, 31216), (512, 25363), (832, 15608), (1664, 7804), (1951, 6656), (3328, 3902)]