39749995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 53844480

約数和(自身を除く): 14094485

約数列:

[1, 5, 17, 19, 85, 95, 151, 163, 323, 755, 815, 1615, 2567, 2771, 2869, 3097, 12835, 13855, 14345, 15485, 24613, 48773, 52649, 123065, 243865, 263245, 418421, 467647, 2092105, 2338235, 7949999, 39749995]

約数ペア:

[(1, 39749995), (5, 7949999), (17, 2338235), (19, 2092105), (85, 467647), (95, 418421), (151, 263245), (163, 243865), (323, 123065), (755, 52649), (815, 48773), (1615, 24613), (2567, 15485), (2771, 14345), (2869, 13855), (3097, 12835)]