681662008

素因数分解:

$2^3\times {\mathrm{10639}}^1\times {\mathrm{8009}}^1$

素因数の和:18654

約数の個数: 16

約数和(自身を含む): 1278396000

約数和(自身を除く): 596733992

約数列:

[1, 2, 4, 8, 8009, 10639, 16018, 21278, 32036, 42556, 64072, 85112, 85207751, 170415502, 340831004, 681662008]

約数ペア:

[(1, 681662008), (2, 340831004), (4, 170415502), (8, 85207751), (8009, 85112), (10639, 64072), (16018, 42556), (21278, 32036)]