28984823

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 35896320

約数和(自身を除く): 6911497

約数列:

[1, 7, 19, 49, 133, 163, 191, 931, 1141, 1337, 3097, 3629, 7987, 9359, 21679, 25403, 31133, 151753, 177821, 217931, 591527, 1525517, 4140689, 28984823]

約数ペア:

[(1, 28984823), (7, 4140689), (19, 1525517), (49, 591527), (133, 217931), (163, 177821), (191, 151753), (931, 31133), (1141, 25403), (1337, 21679), (3097, 9359), (3629, 7987)]