47978534

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{17783}}^1$

素因数の和:17875

約数の個数: 16

約数和(自身を含む): 76826880

約数和(自身を除く): 28848346

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 17783, 35566, 337877, 675754, 1262593, 2525186, 23989267, 47978534]

約数ペア:

[(1, 47978534), (2, 23989267), (19, 2525186), (38, 1262593), (71, 675754), (142, 337877), (1349, 35566), (2698, 17783)]