16115905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6701}}^1$

素因数の和:6756

約数の個数: 16

約数和(自身を含む): 21392784

約数和(自身を除く): 5276879

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 6701, 33505, 87113, 247937, 435565, 1239685, 3223181, 16115905]

約数ペア:

[(1, 16115905), (5, 3223181), (13, 1239685), (37, 435565), (65, 247937), (185, 87113), (481, 33505), (2405, 6701)]