78947675

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 100201920

約数和(自身を除く): 21254245

約数列:

[1, 5, 25, 73, 181, 239, 365, 905, 1195, 1825, 4525, 5975, 13213, 17447, 43259, 66065, 87235, 216295, 330325, 436175, 1081475, 3157907, 15789535, 78947675]

約数ペア:

[(1, 78947675), (5, 15789535), (25, 3157907), (73, 1081475), (181, 436175), (239, 330325), (365, 216295), (905, 87235), (1195, 66065), (1825, 43259), (4525, 17447), (5975, 13213)]