691428478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{51043}}^1$

素因数の和:51579

約数の個数: 16

約数和(自身を含む): 1119088656

約数和(自身を除く): 427660178

約数列:

[1, 2, 13, 26, 521, 1042, 6773, 13546, 51043, 102086, 663559, 1327118, 26593403, 53186806, 345714239, 691428478]

約数ペア:

[(1, 691428478), (2, 345714239), (13, 53186806), (26, 26593403), (521, 1327118), (1042, 663559), (6773, 102086), (13546, 51043)]