260761136

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{149519}}^1$

素因数の和:149636

約数の個数: 20

約数和(自身を含む): 509863200

約数和(自身を除く): 249102064

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 149519, 299038, 598076, 1196152, 2392304, 16297571, 32595142, 65190284, 130380568, 260761136]

約数ペア:

[(1, 260761136), (2, 130380568), (4, 65190284), (8, 32595142), (16, 16297571), (109, 2392304), (218, 1196152), (436, 598076), (872, 299038), (1744, 149519)]