389675198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{290369}}^1$

素因数の和:290443

約数の個数: 16

約数和(自身を含む): 648105840

約数和(自身を除く): 258430642

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 290369, 580738, 3194059, 6388118, 17712509, 35425018, 194837599, 389675198]

約数ペア:

[(1, 389675198), (2, 194837599), (11, 35425018), (22, 17712509), (61, 6388118), (122, 3194059), (671, 580738), (1342, 290369)]