201639952

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{25667}}^1$

素因数の和:26166

約数の個数: 20

約数和(自身を含む): 391488336

約数和(自身を除く): 189848384

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 25667, 51334, 102668, 205336, 410672, 12602497, 25204994, 50409988, 100819976, 201639952]

約数ペア:

[(1, 201639952), (2, 100819976), (4, 50409988), (8, 25204994), (16, 12602497), (491, 410672), (982, 205336), (1964, 102668), (3928, 51334), (7856, 25667)]