128577659

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{1223}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 153695232

約数和(自身を除く): 25117573

約数列:

[1, 7, 23, 161, 653, 1223, 4571, 8561, 15019, 28129, 105133, 196903, 798619, 5590333, 18368237, 128577659]

約数ペア:

[(1, 128577659), (7, 18368237), (23, 5590333), (161, 798619), (653, 196903), (1223, 105133), (4571, 28129), (8561, 15019)]