261948910

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199961}}^1$

素因数の和:200099

約数の個数: 16

約数和(自身を含む): 475109712

約数和(自身を除く): 213160802

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 199961, 399922, 999805, 1999610, 26194891, 52389782, 130974455, 261948910]

約数ペア:

[(1, 261948910), (2, 130974455), (5, 52389782), (10, 26194891), (131, 1999610), (262, 999805), (655, 399922), (1310, 199961)]