81545638

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{3539}}^1$

素因数の和:3863

約数の個数: 16

約数和(自身を含む): 125783280

約数和(自身を除く): 44237642

約数列:

[1, 2, 41, 82, 281, 562, 3539, 7078, 11521, 23042, 145099, 290198, 994459, 1988918, 40772819, 81545638]

約数ペア:

[(1, 81545638), (2, 40772819), (41, 1988918), (82, 994459), (281, 290198), (562, 145099), (3539, 23042), (7078, 11521)]