28913005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 11677715

約数列:

[1, 5, 11, 17, 55, 85, 107, 187, 289, 535, 935, 1177, 1445, 1819, 3179, 4913, 5885, 9095, 15895, 20009, 24565, 30923, 54043, 100045, 154615, 270215, 340153, 525691, 1700765, 2628455, 5782601, 28913005]

約数ペア:

[(1, 28913005), (5, 5782601), (11, 2628455), (17, 1700765), (55, 525691), (85, 340153), (107, 270215), (187, 154615), (289, 100045), (535, 54043), (935, 30923), (1177, 24565), (1445, 20009), (1819, 15895), (3179, 9095), (4913, 5885)]