71965478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{16981}}^1$

素因数の和:17159

約数の個数: 16

約数和(自身を含む): 116972016

約数和(自身を除く): 45006538

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 16981, 33962, 220753, 441506, 2767903, 5535806, 35982739, 71965478]

約数ペア:

[(1, 71965478), (2, 35982739), (13, 5535806), (26, 2767903), (163, 441506), (326, 220753), (2119, 33962), (4238, 16981)]