2802796

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 18

約数和(自身を含む): 5010740

約数和(自身を除く): 2207944

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 556, 5041, 9869, 10082, 19738, 20164, 39476, 700699, 1401398, 2802796]

約数ペア:

[(1, 2802796), (2, 1401398), (4, 700699), (71, 39476), (139, 20164), (142, 19738), (278, 10082), (284, 9869), (556, 5041)]