5387305

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 8208000

約数和(自身を除く): 2820695

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 1999, 2695, 9995, 13993, 21989, 69965, 97951, 109945, 153923, 489755, 769615, 1077461, 5387305]

約数ペア:

[(1, 5387305), (5, 1077461), (7, 769615), (11, 489755), (35, 153923), (49, 109945), (55, 97951), (77, 69965), (245, 21989), (385, 13993), (539, 9995), (1999, 2695)]