80972518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{51839}}^1$

素因数の和:51923

約数の個数: 16

約数和(自身を含む): 134369280

約数和(自身を除く): 53396762

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 51839, 103678, 570229, 1140458, 3680569, 7361138, 40486259, 80972518]

約数ペア:

[(1, 80972518), (2, 40486259), (11, 7361138), (22, 3680569), (71, 1140458), (142, 570229), (781, 103678), (1562, 51839)]