25718188

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 46043424

約数和(自身を除く): 20325236

約数列:

[1, 2, 4, 71, 137, 142, 274, 284, 548, 661, 1322, 2644, 9727, 19454, 38908, 46931, 90557, 93862, 181114, 187724, 362228, 6429547, 12859094, 25718188]

約数ペア:

[(1, 25718188), (2, 12859094), (4, 6429547), (71, 362228), (137, 187724), (142, 181114), (274, 93862), (284, 90557), (548, 46931), (661, 38908), (1322, 19454), (2644, 9727)]