1278889786

素因数分解:

$2^1\times {\mathrm{673}}^1\times {\mathrm{953}}^1\times {\mathrm{997}}^1$

素因数の和:2625

約数の個数: 16

約数和(自身を含む): 1925130024

約数和(自身を除く): 646240238

約数列:

[1, 2, 673, 953, 997, 1346, 1906, 1994, 641369, 670981, 950141, 1282738, 1341962, 1900282, 639444893, 1278889786]

約数ペア:

[(1, 1278889786), (2, 639444893), (673, 1900282), (953, 1341962), (997, 1282738), (1346, 950141), (1906, 670981), (1994, 641369)]