248790815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{42061}}^1$

素因数の和:42099

約数の個数: 24

約数和(自身を含む): 369472608

約数和(自身を除く): 120681793

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 5915, 42061, 210305, 294427, 546793, 1472135, 2733965, 3827551, 7108309, 19137755, 35541545, 49758163, 248790815]

約数ペア:

[(1, 248790815), (5, 49758163), (7, 35541545), (13, 19137755), (35, 7108309), (65, 3827551), (91, 2733965), (169, 1472135), (455, 546793), (845, 294427), (1183, 210305), (5915, 42061)]