25777828

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 46146240

約数和(自身を除く): 20368412

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 556, 653, 1306, 2612, 9869, 19738, 39476, 46363, 90767, 92726, 181534, 185452, 363068, 6444457, 12888914, 25777828]

約数ペア:

[(1, 25777828), (2, 12888914), (4, 6444457), (71, 363068), (139, 185452), (142, 181534), (278, 92726), (284, 90767), (556, 46363), (653, 39476), (1306, 19738), (2612, 9869)]