2153749208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{20709127}}^1$

素因数の和:20709146

約数の個数: 16

約数和(自身を含む): 4348916880

約数和(自身を除く): 2195167672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 20709127, 41418254, 82836508, 165673016, 269218651, 538437302, 1076874604, 2153749208]

約数ペア:

[(1, 2153749208), (2, 1076874604), (4, 538437302), (8, 269218651), (13, 165673016), (26, 82836508), (52, 41418254), (104, 20709127)]