278484479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{6971}}^1$

素因数の和:7430

約数の個数: 16

約数和(自身を含む): 343580160

約数和(自身を除く): 65095681

約数列:

[1, 7, 13, 91, 439, 3073, 5707, 6971, 39949, 48797, 90623, 634361, 3060269, 21421883, 39783497, 278484479]

約数ペア:

[(1, 278484479), (7, 39783497), (13, 21421883), (91, 3060269), (439, 634361), (3073, 90623), (5707, 48797), (6971, 39949)]