61978889492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1191901721}}^1$

素因数の和:1191901738

約数の個数: 12

約数和(自身を含む): 116806368756

約数和(自身を除く): 54827479264

約数列:

[1, 2, 4, 13, 26, 52, 1191901721, 2383803442, 4767606884, 15494722373, 30989444746, 61978889492]

約数ペア:

[(1, 61978889492), (2, 30989444746), (4, 15494722373), (13, 4767606884), (26, 2383803442), (52, 1191901721)]