274899289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{55079}}^1$

素因数の和:55140

約数の個数: 16

約数和(自身を含む): 338411520

約数和(自身を除く): 63512231

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 55079, 385553, 1266817, 1707449, 8867719, 11952143, 39271327, 274899289]

約数ペア:

[(1, 274899289), (7, 39271327), (23, 11952143), (31, 8867719), (161, 1707449), (217, 1266817), (713, 385553), (4991, 55079)]