801551404

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{555091}}^1$

素因数の和:555133

約数の個数: 18

約数和(自身を含む): 1480430364

約数和(自身を除く): 678878960

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 555091, 1110182, 2220364, 10546729, 21093458, 42186916, 200387851, 400775702, 801551404]

約数ペア:

[(1, 801551404), (2, 400775702), (4, 200387851), (19, 42186916), (38, 21093458), (76, 10546729), (361, 2220364), (722, 1110182), (1444, 555091)]