287243012

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{80777}}^1$

素因数の和:80915

約数の個数: 24

約数和(自身を含む): 579016704

約数和(自身を除く): 291773692

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 80777, 161554, 323108, 565439, 1130878, 2261756, 10258679, 20517358, 41034716, 71810753, 143621506, 287243012]

約数ペア:

[(1, 287243012), (2, 143621506), (4, 71810753), (7, 41034716), (14, 20517358), (28, 10258679), (127, 2261756), (254, 1130878), (508, 565439), (889, 323108), (1778, 161554), (3556, 80777)]