219781661

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{1223}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 262533312

約数和(自身を除く): 42751651

約数列:

[1, 11, 17, 31, 187, 341, 527, 961, 1223, 5797, 10571, 13453, 16337, 20791, 37913, 179707, 228701, 417043, 644521, 1175303, 7089731, 12928333, 19980151, 219781661]

約数ペア:

[(1, 219781661), (11, 19980151), (17, 12928333), (31, 7089731), (187, 1175303), (341, 644521), (527, 417043), (961, 228701), (1223, 179707), (5797, 37913), (10571, 20791), (13453, 16337)]