291235505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 402192000

約数和(自身を除く): 110956495

約数列:

[1, 5, 11, 41, 55, 59, 121, 199, 205, 295, 451, 605, 649, 995, 2189, 2255, 2419, 3245, 4961, 7139, 8159, 10945, 11741, 12095, 24079, 24805, 26609, 35695, 40795, 58705, 89749, 120395, 129151, 133045, 292699, 448745, 481381, 645755, 987239, 1420661, 1463495, 2406905, 4936195, 5295191, 7103305, 26475955, 58247101, 291235505]

約数ペア:

[(1, 291235505), (5, 58247101), (11, 26475955), (41, 7103305), (55, 5295191), (59, 4936195), (121, 2406905), (199, 1463495), (205, 1420661), (295, 987239), (451, 645755), (605, 481381), (649, 448745), (995, 292699), (2189, 133045), (2255, 129151), (2419, 120395), (3245, 89749), (4961, 58705), (7139, 40795), (8159, 35695), (10945, 26609), (11741, 24805), (12095, 24079)]