221570678

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{701}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 385751808

約数和(自身を除く): 164181130

約数列:

[1, 2, 7, 14, 107, 211, 214, 422, 701, 749, 1402, 1477, 1498, 2954, 4907, 9814, 22577, 45154, 75007, 147911, 150014, 158039, 295822, 316078, 525049, 1035377, 1050098, 2070754, 15826477, 31652954, 110785339, 221570678]

約数ペア:

[(1, 221570678), (2, 110785339), (7, 31652954), (14, 15826477), (107, 2070754), (211, 1050098), (214, 1035377), (422, 525049), (701, 316078), (749, 295822), (1402, 158039), (1477, 150014), (1498, 147911), (2954, 75007), (4907, 45154), (9814, 22577)]