1291361989

素因数分解:

${\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 1333829376

約数和(自身を除く): 42467387

約数列:

[1, 47, 197, 211, 661, 9259, 9917, 31067, 41567, 130217, 139471, 1953649, 6120199, 6555137, 27475787, 1291361989]

約数ペア:

[(1, 1291361989), (47, 27475787), (197, 6555137), (211, 6120199), (661, 1953649), (9259, 139471), (9917, 130217), (31067, 41567)]