140642764

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{495221}}^1$

素因数の和:495296

約数の個数: 12

約数和(自身を含む): 249591888

約数和(自身を除く): 108949124

約数列:

[1, 2, 4, 71, 142, 284, 495221, 990442, 1980884, 35160691, 70321382, 140642764]

約数ペア:

[(1, 140642764), (2, 70321382), (4, 35160691), (71, 1980884), (142, 990442), (284, 495221)]