289556428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{544279}}^1$

素因数の和:544309

約数の個数: 24

約数和(自身を含む): 609593600

約数和(自身を除く): 320037172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 544279, 1088558, 2177116, 3809953, 7619906, 10341301, 15239812, 20682602, 41365204, 72389107, 144778214, 289556428]

約数ペア:

[(1, 289556428), (2, 144778214), (4, 72389107), (7, 41365204), (14, 20682602), (19, 15239812), (28, 10341301), (38, 7619906), (76, 3809953), (133, 2177116), (266, 1088558), (532, 544279)]