245973455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1549}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 364560000

約数和(自身を除く): 118586545

約数列:

[1, 5, 7, 13, 35, 65, 91, 349, 455, 1549, 1745, 2443, 4537, 7745, 10843, 12215, 20137, 22685, 31759, 54215, 100685, 140959, 158795, 540601, 704795, 2703005, 3784207, 7027813, 18921035, 35139065, 49194691, 245973455]

約数ペア:

[(1, 245973455), (5, 49194691), (7, 35139065), (13, 18921035), (35, 7027813), (65, 3784207), (91, 2703005), (349, 704795), (455, 540601), (1549, 158795), (1745, 140959), (2443, 100685), (4537, 54215), (7745, 31759), (10843, 22685), (12215, 20137)]