640188968

素因数分解:

$2^3\times {\mathrm{2371}}^1\times {\mathrm{33751}}^1$

素因数の和:36128

約数の個数: 16

約数和(自身を含む): 1200896160

約数和(自身を除く): 560707192

約数列:

[1, 2, 4, 8, 2371, 4742, 9484, 18968, 33751, 67502, 135004, 270008, 80023621, 160047242, 320094484, 640188968]

約数ペア:

[(1, 640188968), (2, 320094484), (4, 160047242), (8, 80023621), (2371, 270008), (4742, 135004), (9484, 67502), (18968, 33751)]