28786986

素因数分解:

$2^1\times 3^2\times {\mathrm{439}}^1\times {\mathrm{3643}}^1$

素因数の和:4090

約数の個数: 24

約数和(自身を含む): 62531040

約数和(自身を除く): 33744054

約数列:

[1, 2, 3, 6, 9, 18, 439, 878, 1317, 2634, 3643, 3951, 7286, 7902, 10929, 21858, 32787, 65574, 1599277, 3198554, 4797831, 9595662, 14393493, 28786986]

約数ペア:

[(1, 28786986), (2, 14393493), (3, 9595662), (6, 4797831), (9, 3198554), (18, 1599277), (439, 65574), (878, 32787), (1317, 21858), (2634, 10929), (3643, 7902), (3951, 7286)]