204213872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{11807}}^1$

素因数の和:11885

約数の個数: 40

約数和(自身を含む): 421687296

約数和(自身を除く): 217473424

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 752, 1081, 2162, 4324, 8648, 11807, 17296, 23614, 47228, 94456, 188912, 271561, 543122, 554929, 1086244, 1109858, 2172488, 2219716, 4344976, 4439432, 8878864, 12763367, 25526734, 51053468, 102106936, 204213872]

約数ペア:

[(1, 204213872), (2, 102106936), (4, 51053468), (8, 25526734), (16, 12763367), (23, 8878864), (46, 4439432), (47, 4344976), (92, 2219716), (94, 2172488), (184, 1109858), (188, 1086244), (368, 554929), (376, 543122), (752, 271561), (1081, 188912), (2162, 94456), (4324, 47228), (8648, 23614), (11807, 17296)]