28310815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 39553920

約数和(自身を除く): 11243105

約数列:

[1, 5, 13, 23, 29, 65, 115, 145, 299, 377, 653, 667, 1495, 1885, 3265, 3335, 8489, 8671, 15019, 18937, 42445, 43355, 75095, 94685, 195247, 246181, 435551, 976235, 1230905, 2177755, 5662163, 28310815]

約数ペア:

[(1, 28310815), (5, 5662163), (13, 2177755), (23, 1230905), (29, 976235), (65, 435551), (115, 246181), (145, 195247), (299, 94685), (377, 75095), (653, 43355), (667, 42445), (1495, 18937), (1885, 15019), (3265, 8671), (3335, 8489)]