28454965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6719}}^1$

素因数の和:6753

約数の個数: 24

約数和(自身を含む): 42900480

約数和(自身を除く): 14445515

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 6719, 33595, 47033, 73909, 235165, 369545, 517363, 812999, 2586815, 4064995, 5690993, 28454965]

約数ペア:

[(1, 28454965), (5, 5690993), (7, 4064995), (11, 2586815), (35, 812999), (55, 517363), (77, 369545), (121, 235165), (385, 73909), (605, 47033), (847, 33595), (4235, 6719)]