128757224

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{8387}}^1$

素因数の和:8513

約数の個数: 32

約数和(自身を含む): 256672800

約数和(自身を除く): 127915576

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1919, 3838, 7676, 8387, 15352, 16774, 33548, 67096, 159353, 318706, 637412, 847087, 1274824, 1694174, 3388348, 6776696, 16094653, 32189306, 64378612, 128757224]

約数ペア:

[(1, 128757224), (2, 64378612), (4, 32189306), (8, 16094653), (19, 6776696), (38, 3388348), (76, 1694174), (101, 1274824), (152, 847087), (202, 637412), (404, 318706), (808, 159353), (1919, 67096), (3838, 33548), (7676, 16774), (8387, 15352)]