28684318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7937}}^1$

素因数の和:8091

約数の個数: 16

約数和(自身を含む): 46675440

約数和(自身を除く): 17991122

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 7937, 15874, 103181, 206362, 1103243, 2206486, 14342159, 28684318]

約数ペア:

[(1, 28684318), (2, 14342159), (13, 2206486), (26, 1103243), (139, 206362), (278, 103181), (1807, 15874), (3614, 7937)]