661329794

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1\times {\mathrm{4621}}^1$

素因数の和:5225

約数の個数: 16

約数和(自身を含む): 1000570560

約数和(自身を除く): 339240766

約数列:

[1, 2, 163, 326, 439, 878, 4621, 9242, 71557, 143114, 753223, 1506446, 2028619, 4057238, 330664897, 661329794]

約数ペア:

[(1, 661329794), (2, 330664897), (163, 4057238), (326, 2028619), (439, 1506446), (878, 753223), (4621, 143114), (9242, 71557)]