78339989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 101122560

約数和(自身を除く): 22782571

約数列:

[1, 7, 13, 37, 53, 91, 259, 371, 439, 481, 689, 1961, 3073, 3367, 4823, 5707, 13727, 16243, 23267, 25493, 39949, 113701, 162869, 178451, 211159, 302471, 860879, 1478113, 2117297, 6026153, 11191427, 78339989]

約数ペア:

[(1, 78339989), (7, 11191427), (13, 6026153), (37, 2117297), (53, 1478113), (91, 860879), (259, 302471), (371, 211159), (439, 178451), (481, 162869), (689, 113701), (1961, 39949), (3073, 25493), (3367, 23267), (4823, 16243), (5707, 13727)]