28474943

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1187}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 5739457

約数列:

[1, 7, 23, 149, 161, 1043, 1187, 3427, 8309, 23989, 27301, 176863, 191107, 1238041, 4067849, 28474943]

約数ペア:

[(1, 28474943), (7, 4067849), (23, 1238041), (149, 191107), (161, 176863), (1043, 27301), (1187, 23989), (3427, 8309)]