1291245314

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{66347}}^1$

素因数の和:66649

約数の個数: 16

約数和(自身を含む): 1996809408

約数和(自身を除く): 705564094

約数列:

[1, 2, 37, 74, 263, 526, 9731, 19462, 66347, 132694, 2454839, 4909678, 17449261, 34898522, 645622657, 1291245314]

約数ペア:

[(1, 1291245314), (2, 645622657), (37, 34898522), (74, 17449261), (263, 4909678), (526, 2454839), (9731, 132694), (19462, 66347)]