12865744

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{25939}}^1$

素因数の和:25978

約数の個数: 20

約数和(自身を含む): 25732480

約数和(自身を除く): 12866736

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 25939, 51878, 103756, 207512, 415024, 804109, 1608218, 3216436, 6432872, 12865744]

約数ペア:

[(1, 12865744), (2, 6432872), (4, 3216436), (8, 1608218), (16, 804109), (31, 415024), (62, 207512), (124, 103756), (248, 51878), (496, 25939)]