71293378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{19727}}^1$

素因数の和:19881

約数の個数: 16

約数和(自身を含む): 116000640

約数和(自身を除く): 44707262

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 19727, 39454, 256451, 512902, 2742053, 5484106, 35646689, 71293378]

約数ペア:

[(1, 71293378), (2, 35646689), (13, 5484106), (26, 2742053), (139, 512902), (278, 256451), (1807, 39454), (3614, 19727)]