78458212

素因数分解:

$2^2\times 7^2\times {\mathrm{400297}}^1$

素因数の和:400315

約数の個数: 18

約数和(自身を含む): 159718902

約数和(自身を除く): 81260690

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 400297, 800594, 1601188, 2802079, 5604158, 11208316, 19614553, 39229106, 78458212]

約数ペア:

[(1, 78458212), (2, 39229106), (4, 19614553), (7, 11208316), (14, 5604158), (28, 2802079), (49, 1601188), (98, 800594), (196, 400297)]