254157421

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{11701}}^1$

素因数の和:11844

約数の個数: 16

約数和(自身を含む): 303315840

約数和(自身を除く): 49158419

約数列:

[1, 7, 29, 107, 203, 749, 3103, 11701, 21721, 81907, 339329, 1252007, 2375303, 8764049, 36308203, 254157421]

約数ペア:

[(1, 254157421), (7, 36308203), (29, 8764049), (107, 2375303), (203, 1252007), (749, 339329), (3103, 81907), (11701, 21721)]