28648642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18341}}^1$

素因数の和:18425

約数の個数: 16

約数和(自身を含む): 47542464

約数和(自身を除く): 18893822

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18341, 36682, 201751, 403502, 1302211, 2604422, 14324321, 28648642]

約数ペア:

[(1, 28648642), (2, 14324321), (11, 2604422), (22, 1302211), (71, 403502), (142, 201751), (781, 36682), (1562, 18341)]