16990463

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 20876544

約数和(自身を除く): 3886081

約数列:

[1, 7, 17, 67, 119, 469, 1139, 2131, 7973, 14917, 36227, 142777, 253589, 999439, 2427209, 16990463]

約数ペア:

[(1, 16990463), (7, 2427209), (17, 999439), (67, 253589), (119, 142777), (469, 36227), (1139, 14917), (2131, 7973)]