858383995

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 1273503168

約数和(自身を除く): 415119173

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 361, 665, 779, 1435, 1657, 1805, 2527, 3895, 5453, 8285, 11599, 12635, 14801, 27265, 31483, 57995, 67937, 74005, 103607, 157415, 220381, 339685, 475559, 518035, 598177, 1101905, 1290803, 2377795, 2990885, 4187239, 6454015, 9035621, 20936195, 24525257, 45178105, 122626285, 171676799, 858383995]

約数ペア:

[(1, 858383995), (5, 171676799), (7, 122626285), (19, 45178105), (35, 24525257), (41, 20936195), (95, 9035621), (133, 6454015), (205, 4187239), (287, 2990885), (361, 2377795), (665, 1290803), (779, 1101905), (1435, 598177), (1657, 518035), (1805, 475559), (2527, 339685), (3895, 220381), (5453, 157415), (8285, 103607), (11599, 74005), (12635, 67937), (14801, 57995), (27265, 31483)]