80257772

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{18257}}^1$

素因数の和:18425

約数の個数: 24

約数和(自身を含む): 161546784

約数和(自身を除く): 81289012

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 18257, 36514, 73028, 127799, 255598, 511196, 2866349, 5732698, 11465396, 20064443, 40128886, 80257772]

約数ペア:

[(1, 80257772), (2, 40128886), (4, 20064443), (7, 11465396), (14, 5732698), (28, 2866349), (157, 511196), (314, 255598), (628, 127799), (1099, 73028), (2198, 36514), (4396, 18257)]