415213897

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{23473}}^1$

素因数の和:23525

約数の個数: 18

約数和(自身を含む): 509784858

約数和(自身を除く): 94570961

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 23473, 164311, 445987, 1150177, 3121909, 8473753, 21853363, 59316271, 415213897]

約数ペア:

[(1, 415213897), (7, 59316271), (19, 21853363), (49, 8473753), (133, 3121909), (361, 1150177), (931, 445987), (2527, 164311), (17689, 23473)]