2145752008

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{689509}}^1$

素因数の和:689904

約数の個数: 16

約数和(自身を含む): 4033633500

約数和(自身を除く): 1887881492

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 689509, 1379018, 2758036, 5516072, 268219001, 536438002, 1072876004, 2145752008]

約数ペア:

[(1, 2145752008), (2, 1072876004), (4, 536438002), (8, 268219001), (389, 5516072), (778, 2758036), (1556, 1379018), (3112, 689509)]