278330731

素因数分解:

$7^2\times {\mathrm{797}}^1\times {\mathrm{7127}}^1$

素因数の和:7938

約数の個数: 12

約数和(自身を含む): 324224208

約数和(自身を除く): 45893477

約数列:

[1, 7, 49, 797, 5579, 7127, 39053, 49889, 349223, 5680219, 39761533, 278330731]

約数ペア:

[(1, 278330731), (7, 39761533), (49, 5680219), (797, 349223), (5579, 49889), (7127, 39053)]