139661284

素因数分解:

$2^2\times 7^1\times {\mathrm{4987903}}^1$

素因数の和:4987914

約数の個数: 12

約数和(自身を含む): 279322624

約数和(自身を除く): 139661340

約数列:

[1, 2, 4, 7, 14, 28, 4987903, 9975806, 19951612, 34915321, 69830642, 139661284]

約数ペア:

[(1, 139661284), (2, 69830642), (4, 34915321), (7, 19951612), (14, 9975806), (28, 4987903)]