1284648425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{19457}}^1$

素因数の和:19625

約数の個数: 24

約数和(自身を含む): 1688954400

約数和(自身を除く): 404305975

約数列:

[1, 5, 19, 25, 95, 139, 475, 695, 2641, 3475, 13205, 19457, 66025, 97285, 369683, 486425, 1848415, 2704523, 9242075, 13522615, 51385937, 67613075, 256929685, 1284648425]

約数ペア:

[(1, 1284648425), (5, 256929685), (19, 67613075), (25, 51385937), (95, 13522615), (139, 9242075), (475, 2704523), (695, 1848415), (2641, 486425), (3475, 369683), (13205, 97285), (19457, 66025)]