28380055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 11433065

約数列:

[1, 5, 11, 17, 55, 85, 127, 187, 239, 635, 935, 1195, 1397, 2159, 2629, 4063, 6985, 10795, 13145, 20315, 23749, 30353, 44693, 118745, 151765, 223465, 333883, 516001, 1669415, 2580005, 5676011, 28380055]

約数ペア:

[(1, 28380055), (5, 5676011), (11, 2580005), (17, 1669415), (55, 516001), (85, 333883), (127, 223465), (187, 151765), (239, 118745), (635, 44693), (935, 30353), (1195, 23749), (1397, 20315), (2159, 13145), (2629, 10795), (4063, 6985)]