28902055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63521}}^1$

素因数の和:63546

約数の個数: 16

約数和(自身を含む): 42686784

約数和(自身を除く): 13784729

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63521, 317605, 444647, 825773, 2223235, 4128865, 5780411, 28902055]

約数ペア:

[(1, 28902055), (5, 5780411), (7, 4128865), (13, 2223235), (35, 825773), (65, 444647), (91, 317605), (455, 63521)]