221489784412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4259418931}}^1$

素因数の和:4259418948

約数の個数: 12

約数和(自身を含む): 417423055336

約数和(自身を除く): 195933270924

約数列:

[1, 2, 4, 13, 26, 52, 4259418931, 8518837862, 17037675724, 55372446103, 110744892206, 221489784412]

約数ペア:

[(1, 221489784412), (2, 110744892206), (4, 55372446103), (13, 17037675724), (26, 8518837862), (52, 4259418931)]