640737463262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{116795017}}^1$

素因数の和:116795243

約数の個数: 16

約数和(自身を含む): 1039942840272

約数和(自身を除く): 399205377010

約数列:

[1, 2, 13, 26, 211, 422, 2743, 5486, 116795017, 233590034, 1518335221, 3036670442, 24643748587, 49287497174, 320368731631, 640737463262]

約数ペア:

[(1, 640737463262), (2, 320368731631), (13, 49287497174), (26, 24643748587), (211, 3036670442), (422, 1518335221), (2743, 233590034), (5486, 116795017)]