15891788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5087}}^1$

素因数の和:5173

約数の個数: 24

約数和(自身を含む): 30772224

約数和(自身を除く): 14880436

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 5087, 10174, 20348, 55957, 111914, 223828, 361177, 722354, 1444708, 3972947, 7945894, 15891788]

約数ペア:

[(1, 15891788), (2, 7945894), (4, 3972947), (11, 1444708), (22, 722354), (44, 361177), (71, 223828), (142, 111914), (284, 55957), (781, 20348), (1562, 10174), (3124, 5087)]