217618256

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{186317}}^1$

素因数の和:186398

約数の個数: 20

約数和(自身を含む): 427413492

約数和(自身を除く): 209795236

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 186317, 372634, 745268, 1490536, 2981072, 13601141, 27202282, 54404564, 108809128, 217618256]

約数ペア:

[(1, 217618256), (2, 108809128), (4, 54404564), (8, 27202282), (16, 13601141), (73, 2981072), (146, 1490536), (292, 745268), (584, 372634), (1168, 186317)]