71981078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{38993}}^1$

素因数の和:39079

約数の個数: 16

約数和(自身を含む): 117917856

約数和(自身を除く): 45936778

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 38993, 77986, 506909, 1013818, 2768503, 5537006, 35990539, 71981078]

約数ペア:

[(1, 71981078), (2, 35990539), (13, 5537006), (26, 2768503), (71, 1013818), (142, 506909), (923, 77986), (1846, 38993)]