279840316

素因数分解:

$2^2\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{7237}}^1$

素因数の和:8629

約数の個数: 24

約数和(自身を含む): 560163296

約数和(自身を除く): 280322980

約数列:

[1, 2, 4, 7, 14, 28, 1381, 2762, 5524, 7237, 9667, 14474, 19334, 28948, 38668, 50659, 101318, 202636, 9994297, 19988594, 39977188, 69960079, 139920158, 279840316]

約数ペア:

[(1, 279840316), (2, 139920158), (4, 69960079), (7, 39977188), (14, 19988594), (28, 9994297), (1381, 202636), (2762, 101318), (5524, 50659), (7237, 38668), (9667, 28948), (14474, 19334)]