1325243521

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{321427}}^1$

素因数の和:321484

約数の個数: 16

約数和(自身を含む): 1645711360

約数和(自身を除く): 320467839

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 321427, 2249989, 6107113, 9964237, 42749791, 69749659, 189320503, 1325243521]

約数ペア:

[(1, 1325243521), (7, 189320503), (19, 69749659), (31, 42749791), (133, 9964237), (217, 6107113), (589, 2249989), (4123, 321427)]