7981168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{38371}}^1$

素因数の和:38392

約数の個数: 20

約数和(自身を含む): 16653448

約数和(自身を除く): 8672280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 38371, 76742, 153484, 306968, 498823, 613936, 997646, 1995292, 3990584, 7981168]

約数ペア:

[(1, 7981168), (2, 3990584), (4, 1995292), (8, 997646), (13, 613936), (16, 498823), (26, 306968), (52, 153484), (104, 76742), (208, 38371)]