28051639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3607}}^1$

素因数の和:3726

約数の個数: 16

約数和(自身を含む): 35329536

約数和(自身を除く): 7277897

約数列:

[1, 7, 11, 77, 101, 707, 1111, 3607, 7777, 25249, 39677, 277739, 364307, 2550149, 4007377, 28051639]

約数ペア:

[(1, 28051639), (7, 4007377), (11, 2550149), (77, 364307), (101, 277739), (707, 39677), (1111, 25249), (3607, 7777)]