209401904

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{13127}}^1$

素因数の和:14132

約数の個数: 20

約数和(自身を含む): 406154064

約数和(自身を除く): 196752160

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 13127, 15952, 26254, 52508, 105016, 210032, 13087619, 26175238, 52350476, 104700952, 209401904]

約数ペア:

[(1, 209401904), (2, 104700952), (4, 52350476), (8, 26175238), (16, 13087619), (997, 210032), (1994, 105016), (3988, 52508), (7976, 26254), (13127, 15952)]