126400519

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1291}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 147350016

約数和(自身を除く): 20949497

約数列:

[1, 7, 71, 197, 497, 1291, 1379, 9037, 13987, 91661, 97909, 254327, 641627, 1780289, 18057217, 126400519]

約数ペア:

[(1, 126400519), (7, 18057217), (71, 1780289), (197, 641627), (497, 254327), (1291, 97909), (1379, 91661), (9037, 13987)]