208189009

素因数分解:

$7^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 240565248

約数和(自身を除く): 32376239

約数列:

[1, 7, 197, 223, 677, 1379, 1561, 4739, 43931, 133369, 150971, 307517, 933583, 1056797, 29741287, 208189009]

約数ペア:

[(1, 208189009), (7, 29741287), (197, 1056797), (223, 933583), (677, 307517), (1379, 150971), (1561, 133369), (4739, 43931)]