205654384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{3119}}^1$

素因数の和:3457

約数の個数: 40

約数和(自身を含む): 430597440

約数和(自身を除く): 224943056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317, 634, 1268, 2536, 3119, 4121, 5072, 6238, 8242, 12476, 16484, 24952, 32968, 40547, 49904, 65936, 81094, 162188, 324376, 648752, 988723, 1977446, 3954892, 7909784, 12853399, 15819568, 25706798, 51413596, 102827192, 205654384]

約数ペア:

[(1, 205654384), (2, 102827192), (4, 51413596), (8, 25706798), (13, 15819568), (16, 12853399), (26, 7909784), (52, 3954892), (104, 1977446), (208, 988723), (317, 648752), (634, 324376), (1268, 162188), (2536, 81094), (3119, 65936), (4121, 49904), (5072, 40547), (6238, 32968), (8242, 24952), (12476, 16484)]