211720912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1017889}}^1$

素因数の和:1017910

約数の個数: 20

約数和(自身を含む): 441764260

約数和(自身を除く): 230043348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1017889, 2035778, 4071556, 8143112, 13232557, 16286224, 26465114, 52930228, 105860456, 211720912]

約数ペア:

[(1, 211720912), (2, 105860456), (4, 52930228), (8, 26465114), (13, 16286224), (16, 13232557), (26, 8143112), (52, 4071556), (104, 2035778), (208, 1017889)]