28007994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{666857}}^1$

素因数の和:666869

約数の個数: 16

約数和(自身を含む): 64018368

約数和(自身を除く): 36010374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 666857, 1333714, 2000571, 4001142, 4667999, 9335998, 14003997, 28007994]

約数ペア:

[(1, 28007994), (2, 14003997), (3, 9335998), (6, 4667999), (7, 4001142), (14, 2000571), (21, 1333714), (42, 666857)]