39905161

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 43046784

約数和(自身を除く): 3141623

約数列:

[1, 23, 43, 157, 257, 989, 3611, 5911, 6751, 11051, 40349, 155273, 254173, 928027, 1735007, 39905161]

約数ペア:

[(1, 39905161), (23, 1735007), (43, 928027), (157, 254173), (257, 155273), (989, 40349), (3611, 11051), (5911, 6751)]