206815856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{994307}}^1$

素因数の和:994328

約数の個数: 20

約数和(自身を含む): 431529672

約数和(自身を除く): 224713816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 994307, 1988614, 3977228, 7954456, 12925991, 15908912, 25851982, 51703964, 103407928, 206815856]

約数ペア:

[(1, 206815856), (2, 103407928), (4, 51703964), (8, 25851982), (13, 15908912), (16, 12925991), (26, 7954456), (52, 3977228), (104, 1988614), (208, 994307)]