2042425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 3160512

約数和(自身を除く): 1118087

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1061, 1925, 5305, 7427, 11671, 26525, 37135, 58355, 81697, 185675, 291775, 408485, 2042425]

約数ペア:

[(1, 2042425), (5, 408485), (7, 291775), (11, 185675), (25, 81697), (35, 58355), (55, 37135), (77, 26525), (175, 11671), (275, 7427), (385, 5305), (1061, 1925)]