201981695

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1\times {\mathrm{769}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 245155680

約数和(自身を除く): 43173985

約数列:

[1, 5, 131, 401, 655, 769, 2005, 3845, 52531, 100739, 262655, 308369, 503695, 1541845, 40396339, 201981695]

約数ペア:

[(1, 201981695), (5, 40396339), (131, 1541845), (401, 503695), (655, 308369), (769, 262655), (2005, 100739), (3845, 52531)]