199908865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1601}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 276133536

約数和(自身を除く): 76224671

約数列:

[1, 5, 13, 17, 65, 85, 113, 221, 565, 1105, 1469, 1601, 1921, 7345, 8005, 9605, 20813, 24973, 27217, 104065, 124865, 136085, 180913, 353821, 904565, 1769105, 2351869, 3075521, 11759345, 15377605, 39981773, 199908865]

約数ペア:

[(1, 199908865), (5, 39981773), (13, 15377605), (17, 11759345), (65, 3075521), (85, 2351869), (113, 1769105), (221, 904565), (565, 353821), (1105, 180913), (1469, 136085), (1601, 124865), (1921, 104065), (7345, 27217), (8005, 24973), (9605, 20813)]