2489095

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 3621024

約数和(自身を除く): 1131929

約数列:

[1, 5, 7, 19, 35, 95, 133, 197, 361, 665, 985, 1379, 1805, 2527, 3743, 6895, 12635, 18715, 26201, 71117, 131005, 355585, 497819, 2489095]

約数ペア:

[(1, 2489095), (5, 497819), (7, 355585), (19, 131005), (35, 71117), (95, 26201), (133, 18715), (197, 12635), (361, 6895), (665, 3743), (985, 2527), (1379, 1805)]