261330575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20219}}^1$

素因数の和:20287

約数の個数: 24

約数和(自身を含む): 361048320

約数和(自身を除く): 99717745

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 12925, 20219, 101095, 222409, 505475, 950293, 1112045, 4751465, 5560225, 10453223, 23757325, 52266115, 261330575]

約数ペア:

[(1, 261330575), (5, 52266115), (11, 23757325), (25, 10453223), (47, 5560225), (55, 4751465), (235, 1112045), (275, 950293), (517, 505475), (1175, 222409), (2585, 101095), (12925, 20219)]