39989355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 79377408

約数和(自身を除く): 39388053

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 43, 51, 85, 105, 119, 129, 215, 255, 301, 357, 521, 595, 645, 731, 903, 1505, 1563, 1785, 2193, 2605, 3647, 3655, 4515, 5117, 7815, 8857, 10941, 10965, 15351, 18235, 22403, 25585, 26571, 44285, 54705, 61999, 67209, 76755, 112015, 132855, 156821, 185997, 309995, 336045, 380851, 470463, 784105, 929985, 1142553, 1904255, 2352315, 2665957, 5712765, 7997871, 13329785, 39989355]

約数ペア:

[(1, 39989355), (3, 13329785), (5, 7997871), (7, 5712765), (15, 2665957), (17, 2352315), (21, 1904255), (35, 1142553), (43, 929985), (51, 784105), (85, 470463), (105, 380851), (119, 336045), (129, 309995), (215, 185997), (255, 156821), (301, 132855), (357, 112015), (521, 76755), (595, 67209), (645, 61999), (731, 54705), (903, 44285), (1505, 26571), (1563, 25585), (1785, 22403), (2193, 18235), (2605, 15351), (3647, 10965), (3655, 10941), (4515, 8857), (5117, 7815)]