1965425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 3041472

約数和(自身を除く): 1076047

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1021, 1925, 5105, 7147, 11231, 25525, 35735, 56155, 78617, 178675, 280775, 393085, 1965425]

約数ペア:

[(1, 1965425), (5, 393085), (7, 280775), (11, 178675), (25, 78617), (35, 56155), (55, 35735), (77, 25525), (175, 11231), (275, 7147), (385, 5105), (1021, 1925)]