1247990786

素因数分解:

$2^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{146857}}^1$

素因数の和:147473

約数の個数: 16

約数和(自身を含む): 2142951936

約数和(自身を除く): 894961150

約数列:

[1, 2, 7, 14, 607, 1214, 4249, 8498, 146857, 293714, 1027999, 2055998, 89142199, 178284398, 623995393, 1247990786]

約数ペア:

[(1, 1247990786), (2, 623995393), (7, 178284398), (14, 89142199), (607, 2055998), (1214, 1027999), (4249, 293714), (8498, 146857)]