207917728

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2851}}^1$

素因数の和:2957

約数の個数: 48

約数和(自身を含む): 426910176

約数和(自身を除く): 218992448

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 1376, 1696, 2279, 2851, 4558, 5702, 9116, 11404, 18232, 22808, 36464, 45616, 72928, 91232, 122593, 151103, 245186, 302206, 490372, 604412, 980744, 1208824, 1961488, 2417648, 3922976, 4835296, 6497429, 12994858, 25989716, 51979432, 103958864, 207917728]

約数ペア:

[(1, 207917728), (2, 103958864), (4, 51979432), (8, 25989716), (16, 12994858), (32, 6497429), (43, 4835296), (53, 3922976), (86, 2417648), (106, 1961488), (172, 1208824), (212, 980744), (344, 604412), (424, 490372), (688, 302206), (848, 245186), (1376, 151103), (1696, 122593), (2279, 91232), (2851, 72928), (4558, 45616), (5702, 36464), (9116, 22808), (11404, 18232)]