2149207942

素因数分解:

$2^1\times 7^1\times {\mathrm{7877}}^1\times {\mathrm{19489}}^1$

素因数の和:27375

約数の個数: 16

約数和(自身を含む): 3685013280

約数和(自身を除く): 1535805338

約数列:

[1, 2, 7, 14, 7877, 15754, 19489, 38978, 55139, 110278, 136423, 272846, 153514853, 307029706, 1074603971, 2149207942]

約数ペア:

[(1, 2149207942), (2, 1074603971), (7, 307029706), (14, 153514853), (7877, 272846), (15754, 136423), (19489, 110278), (38978, 55139)]