28421948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1019}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 52550400

約数和(自身を除く): 24128452

約数列:

[1, 2, 4, 19, 38, 76, 367, 734, 1019, 1468, 2038, 4076, 6973, 13946, 19361, 27892, 38722, 77444, 373973, 747946, 1495892, 7105487, 14210974, 28421948]

約数ペア:

[(1, 28421948), (2, 14210974), (4, 7105487), (19, 1495892), (38, 747946), (76, 373973), (367, 77444), (734, 38722), (1019, 27892), (1468, 19361), (2038, 13946), (4076, 6973)]