131569136

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{21139}}^1$

素因数の和:21536

約数の個数: 20

約数和(自身を含む): 255582600

約数和(自身を除く): 124013464

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 21139, 42278, 84556, 169112, 338224, 8223071, 16446142, 32892284, 65784568, 131569136]

約数ペア:

[(1, 131569136), (2, 65784568), (4, 32892284), (8, 16446142), (16, 8223071), (389, 338224), (778, 169112), (1556, 84556), (3112, 42278), (6224, 21139)]