87661936

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{133631}}^1$

素因数の和:133680

約数の個数: 20

約数和(自身を含む): 173988864

約数和(自身を除く): 86326928

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 133631, 267262, 534524, 1069048, 2138096, 5478871, 10957742, 21915484, 43830968, 87661936]

約数ペア:

[(1, 87661936), (2, 43830968), (4, 21915484), (8, 10957742), (16, 5478871), (41, 2138096), (82, 1069048), (164, 534524), (328, 267262), (656, 133631)]