26986864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{54409}}^1$

素因数の和:54448

約数の個数: 20

約数和(自身を含む): 53974720

約数和(自身を除く): 26987856

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 54409, 108818, 217636, 435272, 870544, 1686679, 3373358, 6746716, 13493432, 26986864]

約数ペア:

[(1, 26986864), (2, 13493432), (4, 6746716), (8, 3373358), (16, 1686679), (31, 870544), (62, 435272), (124, 217636), (248, 108818), (496, 54409)]