128583874

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1\times {\mathrm{823}}^1$

素因数の和:1425

約数の個数: 16

約数和(自身を含む): 194595840

約数和(自身を除く): 66011966

約数列:

[1, 2, 191, 382, 409, 818, 823, 1646, 78119, 156238, 157193, 314386, 336607, 673214, 64291937, 128583874]

約数ペア:

[(1, 128583874), (2, 64291937), (191, 673214), (382, 336607), (409, 314386), (818, 157193), (823, 156238), (1646, 78119)]