1379217385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3031247}}^1$

素因数の和:3031272

約数の個数: 16

約数和(自身を含む): 2036998656

約数和(自身を除く): 657781271

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 3031247, 15156235, 21218729, 39406211, 106093645, 197031055, 275843477, 1379217385]

約数ペア:

[(1, 1379217385), (5, 275843477), (7, 197031055), (13, 106093645), (35, 39406211), (65, 21218729), (91, 15156235), (455, 3031247)]