11981515

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 18748800

約数和(自身を除く): 6767285

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 1549, 7735, 7745, 10843, 20137, 26333, 54215, 100685, 131665, 140959, 184331, 342329, 704795, 921655, 1711645, 2396303, 11981515]

約数ペア:

[(1, 11981515), (5, 2396303), (7, 1711645), (13, 921655), (17, 704795), (35, 342329), (65, 184331), (85, 140959), (91, 131665), (119, 100685), (221, 54215), (455, 26333), (595, 20137), (1105, 10843), (1547, 7745), (1549, 7735)]