28408765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{653}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 42944256

約数和(自身を除く): 14535491

約数列:

[1, 5, 7, 11, 35, 55, 77, 113, 385, 565, 653, 791, 1243, 3265, 3955, 4571, 6215, 7183, 8701, 22855, 35915, 43505, 50281, 73789, 251405, 368945, 516523, 811679, 2582615, 4058395, 5681753, 28408765]

約数ペア:

[(1, 28408765), (5, 5681753), (7, 4058395), (11, 2582615), (35, 811679), (55, 516523), (77, 368945), (113, 251405), (385, 73789), (565, 50281), (653, 43505), (791, 35915), (1243, 22855), (3265, 8701), (3955, 7183), (4571, 6215)]