1977392

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{1489}}^1$

素因数の和:1580

約数の個数: 20

約数和(自身を含む): 3879960

約数和(自身を除く): 1902568

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 1489, 2978, 5956, 11912, 23824, 123587, 247174, 494348, 988696, 1977392]

約数ペア:

[(1, 1977392), (2, 988696), (4, 494348), (8, 247174), (16, 123587), (83, 23824), (166, 11912), (332, 5956), (664, 2978), (1328, 1489)]