388642225

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 490603520

約数和(自身を除く): 101961295

約数列:

[1, 5, 25, 109, 127, 545, 635, 1123, 2725, 3175, 5615, 13843, 28075, 69215, 122407, 142621, 346075, 612035, 713105, 3060175, 3565525, 15545689, 77728445, 388642225]

約数ペア:

[(1, 388642225), (5, 77728445), (25, 15545689), (109, 3565525), (127, 3060175), (545, 713105), (635, 612035), (1123, 346075), (2725, 142621), (3175, 122407), (5615, 69215), (13843, 28075)]