868620898

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{439141}}^1$

素因数の和:439209

約数の個数: 16

約数和(自身を含む): 1391201856

約数和(自身を除く): 522580958

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 439141, 878282, 10100243, 18883063, 20200486, 37766126, 434310449, 868620898]

約数ペア:

[(1, 868620898), (2, 434310449), (23, 37766126), (43, 20200486), (46, 18883063), (86, 10100243), (989, 878282), (1978, 439141)]