28685278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{8783}}^1$

素因数の和:8879

約数の個数: 16

約数和(自身を含む): 45536256

約数和(自身を除く): 16850978

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 8783, 17566, 202009, 404018, 623593, 1247186, 14342639, 28685278]

約数ペア:

[(1, 28685278), (2, 14342639), (23, 1247186), (46, 623593), (71, 404018), (142, 202009), (1633, 17566), (3266, 8783)]