28086902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{6781}}^1$

素因数の和:6911

約数の個数: 16

約数和(自身を含む): 44761200

約数和(自身を除く): 16674298

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 6781, 13562, 128839, 257678, 739129, 1478258, 14043451, 28086902]

約数ペア:

[(1, 28086902), (2, 14043451), (19, 1478258), (38, 739129), (109, 257678), (218, 128839), (2071, 13562), (4142, 6781)]