220168417

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{751}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 266099712

約数和(自身を除く): 45931295

約数列:

[1, 7, 31, 49, 193, 217, 751, 1351, 1519, 5257, 5983, 9457, 23281, 36799, 41881, 144943, 162967, 293167, 1014601, 1140769, 4493233, 7102207, 31452631, 220168417]

約数ペア:

[(1, 220168417), (7, 31452631), (31, 7102207), (49, 4493233), (193, 1140769), (217, 1014601), (751, 293167), (1351, 162967), (1519, 144943), (5257, 41881), (5983, 36799), (9457, 23281)]