12557545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 20449152

約数和(自身を除く): 7891607

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 169, 193, 385, 455, 715, 845, 965, 1001, 1183, 1351, 1859, 2123, 2509, 5005, 5915, 6755, 9295, 10615, 12545, 13013, 14861, 17563, 27599, 32617, 65065, 74305, 87815, 137995, 163085, 193193, 228319, 358787, 965965, 1141595, 1793935, 2511509, 12557545]

約数ペア:

[(1, 12557545), (5, 2511509), (7, 1793935), (11, 1141595), (13, 965965), (35, 358787), (55, 228319), (65, 193193), (77, 163085), (91, 137995), (143, 87815), (169, 74305), (193, 65065), (385, 32617), (455, 27599), (715, 17563), (845, 14861), (965, 13013), (1001, 12545), (1183, 10615), (1351, 9295), (1859, 6755), (2123, 5915), (2509, 5005)]