280876

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 532224

約数和(自身を除く): 251348

約数列:

[1, 2, 4, 23, 43, 46, 71, 86, 92, 142, 172, 284, 989, 1633, 1978, 3053, 3266, 3956, 6106, 6532, 12212, 70219, 140438, 280876]

約数ペア:

[(1, 280876), (2, 140438), (4, 70219), (23, 12212), (43, 6532), (46, 6106), (71, 3956), (86, 3266), (92, 3053), (142, 1978), (172, 1633), (284, 989)]